![]() ![]() Returns the complement of chord-str-list, relative to the possible note names. Gradually change the channel volume a given channel from channel-volume-from to channel-volume-to. (channel-volume-flow channel channel-volume-from channel-volume-to. Is x a midi message ast with a channel attribute? Returns #f is x is not an AST. Return a guitar beat chord in channel ch with a number notes, with an enforced total length (duration) of total-length. (beat direction stretch base-velocity total-length velocity-scaling-fn delta-time-scaling-fn ) (apply-to-tracks-top-level f f-parameter-list ast) ![]() (apply-to-tracks-nested f f-parameter-list ast)Īpply f on the messages of all tracks in ast (a StandardMidiFile or MidiTrack AST). messages)Īdd amount to velocity of a given channel.Īdd two scaling functions with each other Merge the current selection with another a list of messages.
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