One5, for piano
Piano solo ~4 min
In brief

One5 has a mood of detached concentration, with sonic events unfolding in a measured, sometimes fragmentary way rather than through overt drama; the overall flow feels deliberate and clear. Technically, Sight-reading (Lecture à vue) (2.5/5) will require you to quickly spot transitions and rests so you can maintain the piece's continuity without hesitation, and Legato (2.5/5) calls for a precise connection gesture — controlling release and sustaining finger support to link notes where the line demands it. The work's period is listed as unknown and it is a solo piano piece placed among the composer's piano explorations. I do not give interpretation references because I am not certain of a widely recognized recording for this specific piece.

MusicCoach difficulty
15/100
Beginner
Likely range : 3–27/100
Confidence : 30% · to confirm
BeginnerIntermediateAdvancedVirtuoso
Exam grade
About grade 1

Estimated from our difficulty score, not taken from an exam syllabus. Checked against 333 works on the ABRSM syllabus: the exact grade is right 7 times out of 10, and within one grade 99 times out of 100.

Difficulty estimate by MusicCoach on a scale of 1 to 100.

Where this work sits
050100

Most works cluster between 45 and 65: a small score gap often marks a real step. The highlighted bar shows this work among those for the same instrument.

The MusicCoach difficulty measures a work's overall demands (technique, reading, stamina) on a shared 0-100 scale, consolidated from editorial and pedagogical reference points (Henle, exam syllabuses, curation) and our own analyses. It measures neither musical value nor the practice time YOU will need: two musicians of the same level can experience the same work very differently depending on their strengths (hands used to octaves, quick sight-reading…). The confidence reflects how many reference points sit behind the score and how well they agree — a lightly documented score is flagged “to validate”. For a truly personal bearing, the diagnostic and your space compare each work to YOUR estimated level, which the score alone cannot do.

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Relative difficulty
8%
Among John Cage
6%
Era
Genre
Estimated skills
Sight-reading
Sight-reading
1
Technique
Legato
1
What to play next?

Each suggestion combines difficulty gap, risk, confidence and skill overlap. The first two cards in each column are the most useful pedagogically.

See the whole progression