The record
At a glance
- Artist
- Cluster
- Album
- Second album
- Core duo
- Dieter Moebius and Hans-Joachim Roedelius
- Original tracks
- Six
- Producer
- Conny Plank with Cluster
- First label
- Brain
Why it matters
Cluster discovers separate pieces without becoming conventional
Cluster II is the first Cluster album on which Dieter Moebius and Hans-Joachim Roedelius stand clearly as the performing duo. Conny Plank remains essential as producer, engineer and credited creative partner, but he is no longer presented as the on-record third performer of Cluster '71. Six titles replace the debut's anonymous side-long divisions, making contrasts in scale and character easier to hear. Im Süden and Live in der Fabrik still stretch beyond twelve minutes, while Für die Katz' and Nabitte compress an idea into roughly three.
Guitar and organ emerge more recognizably from the electronics without restoring a normal rock-band hierarchy. The album creates pulse through loops, oscillation and processing rather than a credited drummer. Its mixture of severity and play anticipates the compact electronic forms of Zuckerzeit without yet adopting that album's beat-box clarity. The completely wordless programme supports an Instrumental tag, but not the mistaken assumption that the music lacks personality or dialogue.
January 1972
From Kluster and Cluster '71 to a two-person Brain album
Moebius and Roedelius had worked with Conrad Schnitzler as Kluster in the West Berlin experimental underground. After Schnitzler's departure, the spelling changed to Cluster and Conny Plank became central to the recording process. The self-titled 1971 album presented three untitled pieces and credited Plank within the group's creative formation. Cluster II was recorded in January 1972 at Star-Studio in Hamburg, with material also drawn from a performance at the city's Fabrik club.
The album established Moebius and Roedelius as a durable duo while Plank concentrated on production and engineering. Brain released it as catalogue number 1006, beginning Cluster's association with the label. The record also received distribution beyond West Germany, making it an early point of entry for international listeners. Afterward the duo moved toward rural Forst, collaborated with Michael Rother in Harmonia and returned as Cluster with the markedly more rhythmic Zuckerzeit.
Moebius, Roedelius, Plank
A duo performs while Plank shapes the recorded field
Moebius supplies the album's most readily identifiable guitar and organ gestures, often making them strange through effects rather than hiding them completely. His electronics can behave percussively even when no acoustic drum is present. Roedelius builds slowly changing electronic fields whose apparent stability is undermined by pitch and texture shifts. The absence of individual track-by-track instrument credits makes exact ownership of every tone uncertain; the duo's interaction is the reliable unit.
Plank controls space, panning, feedback and recorded depth as active formal resources. His production role should not be converted into an undocumented instrumental performance on this album. The shared creative credits reflect a studio method in which performance and transformation cannot always be separated. No singer or lyricist appears, and no later Harmonia member belongs in the 1972 lineup.
Electronic nocturnes
Circuits, organ, guitar and pulse without a drummer
Cluster II often begins with a small repeatable event, then alters its apparent speed, weight or location through processing. Electric organ creates sustained blocks and unstable pitches rather than church or jazz harmony. Guitar appears as a terse stanza, scraped signal or distant line, rarely as conventional lead playing. Low electronic tones imply bass without establishing a normal rhythm-section foundation.
Panning and phase effects make repetition feel mobile even when the underlying figure remains nearly unchanged. The shorter tracks reveal the duo's humor by ending before an eccentric sound can become a solemn environment. The two longest pieces test attention through persistence, but their internal colors continue to mutate. Silence is scarce; instead, the music builds dense rooms whose machinery seems to continue beyond the frame.
Six-track guide
Six named electronic environments
Plas
Plas opens with churning electronic matter that gradually acquires direction. Pulses and sustained bands of sound overlap until the texture seems to rotate, yet there is no credited drummer providing a grid. The piece is concise relative to the debut, and that boundary makes its expansion feel deliberate. Changes in brightness and stereo position do as much structural work as pitch. As the first named Cluster track, it demonstrates the new album's proposition: an abstract process can become a recognizable composition without adopting verse, chorus or solo.
Im Süden
A simple guitar stanza and low repeating tones give Im Süden an unusually tangible center. Across nearly thirteen minutes, phasing and electronic treatment change the figure's apparent speed and temperature. The repetition can feel hypnotic, comic or vaguely threatening depending on which layer receives attention. Its title, In the South, offers location without a travel narrative. The music remains in one place long enough for that place to become unstable, turning minimal material into an exercise in altered perspective.
Für die Katz'
The first side ends with its shortest and most openly playful construction. Small electronic gestures dart, recoil and reappear before they can settle into the scale of Im Süden. The German phrase can mean for the cat and can also suggest something done in vain, giving the title a dry double edge. Its three-minute duration is not filler: it resets the listener's sense of proportion and proves that Cluster can make a complete form from quick, mischievous reactions.
Live in der Fabrik
The fifteen-minute second-side opener draws on a performance at Hamburg's Fabrik. Its title identifies both live origin and place, although the result resists the usual image of an audience-facing rock performance. Machines seem to pulse, hover and malfunction inside a large dark room. Long duration lets apparently mechanical behavior acquire organic variation. Plank's spatial shaping and the duo's electronic responses turn the venue into part of the instrument, making this the album's most extensive test of environment as form.
Georgel
Organ-like pitches lurch and change color as though the keyboard mechanism has developed an unruly will. Georgel avoids the long tracks' monumental scale and instead concentrates on unstable timbre. Repetition provides enough continuity for each malfunctioning turn to register as character rather than random noise. The piece's odd name reinforces its person-like quality without supplying a documented subject. It is a compact example of Cluster's ability to make equipment behavior feel theatrical.
Nabitte
Nabitte closes the LP in under three minutes. Its title compresses the conversational German na bitte into a small verbal gesture—there you are, or well then—although no voice appears. The music behaves like an electronic reply: concise, slightly abrupt and resistant to grand resolution. After the large space of Live in der Fabrik and the unstable organ colors of Georgel, the miniature ending restores human-scale wit. The album stops rather than summing up, leaving its machines mid-conversation.
Machines with character
Machines behave, rooms listen and humor survives
The six titles give social or spatial character to sounds that have no lyrics. South and the Fabrik identify places, but neither track supplies conventional descriptive scenery. Für die Katz' and Nabitte introduce idiomatic German humor into an austere electronic setting. Plas and Georgel behave like names for entities whose identities are defined by timbre.
Machines repeatedly appear to act on their own, yet close listening reveals continual human adjustment. The album's central tension lies between fixed repetition and unstable treatment. Naming makes each environment memorable without turning the sequence into a unified plot. That modest conceptual frame separates Cluster II from both anonymous laboratory abstraction and programmatic electronic storytelling.
Brain gatefold
Moebius paints the nocturnal machinery
The original Brain 1006 edition appeared in a laminated gatefold sleeve. Moebius' stark cover painting matches the nocturnal, machine-like atmosphere of the music. Cluster also receives cover-art and design credits in later album records.
E. Walford is associated with the original photography.
Three tracks are printed on each side, with the two longest works placed second on side one and first on side two. The Brain identity situates the album within a new German progressive and electronic catalogue. Later CDs vary track timings by seconds while retaining the six-work order. Reissues titled Cluster II must not be confused with Cluster '71, the differently sequenced debut.
Second album
Brain 1006 travels beyond West Germany
Brain released Cluster II in 1972 as the duo's second album and first for the label. The original German catalogue number is Brain 1006. Its six tracks total approximately forty-five minutes. The release moved beyond the three untitled works of Cluster '71 by supplying individual names and more varied durations.
It was an early Cluster album to circulate outside West Germany. Critical responses have emphasized its lack of overt beats, its circular sequences and its unusually tactile electronic atmosphere. No unsupported chart peak or sales total is attached to that international visibility. Zuckerzeit followed in 1974 after the duo's work with Michael Rother in Harmonia.
Transitional landmark
A difficult hinge before Harmonia and Zuckerzeit
Cluster II occupies the difficult middle ground between the severe early Cluster sound and the more concise melodic-rhythmic work that followed. Its electronic cycles offered structure without requiring rock drums or a pop-song grid. The record helped define Moebius and Roedelius as a duo whose personalities could remain distinct inside shared processes. Plank's production demonstrated that studio treatment could be compositionally active without making him the advertised performer.
Later ambient and experimental electronic listeners found precedents in its hovering fields and patient transformations. Its humor is equally important to its legacy, preventing industrial imagery from becoming uniformly grim. The move to named tracks made individual methods easier to identify and revisit. Rather than a rough draft of Zuckerzeit, it remains a complete six-room architecture with its own nocturnal pressure.
Original six
Keep the original three-three sides
The canonical sequence begins with Plas and ends with Nabitte. Im Süden may appear as Imsüden in compact digital metadata. Für die Katz' sometimes loses its apostrophe. Live in der Fabrik retains its place as the complete side-two opener.
Original timings and later digital timings vary slightly. No bonus track belongs inside the 1972 programme. The album is entirely instrumental. Select a mastering that preserves stereo movement and low-level electronic detail.
A listening path
Find motion where no beat is obvious
- Use headphones for the movement and panning inside Plas.
- Anchor on the guitar figure in Im Süden, then notice how processing alters it.
- Let Für die Katz' reset your sense of scale at the side break.
- Hear the Fabrik room as part of the long live piece.
- Follow pitch instability rather than melody in Georgel.
- Treat Nabitte as a compact reply, not an incomplete finale.
- On a second listen, track how often apparent rhythm comes from electronics rather than percussion.
Research trail
Sources and further reading
- Artist-authorized album history, original sequence and cover context — Hans-Joachim Roedelius
- Recording date, programme, credits and critical analysis — AllMusic
- Licensed digital programme and production credits — Qobuz / Universal Music
- Cluster chronology and duo identity — MusicBrainz
- Original Brain 1006 release identity — Bureau B / Tapete Records
- Cluster artist archive and official discography — Bureau B