Mezzo.Render.Transform

Functions and combinators for transforming Scores. Allows for more flexibility, but no static correctness guarantees.

Documentation

transpose :: Int -> Score -> Score

Transpose a score by the given number of semitones.

delay :: Ticks -> Score -> Score

Delay a score by the given number of ticks (60ths of a thirty-second note).

(><) :: MidiTrack -> MidiTrack -> MidiTrack

Merge two parallel MIDI tracks.

(+++) :: Score -> Score -> Score

Concatenation of scores.

flatten :: [Score] -> Score

Flatten a list of scores into a single score.

reprise :: Int -> Score -> Score

Repeat a score the given number of times.

cascade :: Int -> (Score -> Score) -> Score -> Score

Repeat the score, successively applying the function to each repetition. cascade 4 f s = s +++ f s +++ f (f s) +++ f (f (f s))

scale :: Int -> Int -> Score -> Score

Create a scale of the given length and interval between scores.

volta :: Score -> [Score] -> Score

Repeat the score with the different endings at each repetition.