Prelude Composer is a basic single-staff music composition app designed to let users quickly jot down and preview their musical ideas. In an effort to make composing faster, this app relies more on touchscreen gestures and less on menus and buttons than other apps, so please read the instructions below and watch the video if you're unsure how to use the app. I plan to continue developing Prelude Composer in my spare time if there's enough interest from users, but I do not have the goal of it becoming more than a casual solution. Fortunately, MIDI export is available, allowing users to continue composing anywhere.
Pan and zoom like you would with any image: drag one finger to pan; drag two fingers together or apart to zoom. These gestures will only work when there is no selected (red) note. To deselect the selected note, tap the white space outside of the staff
Double tap the white space above or below a measure to play just that measure
Create a note: tap an empty part of the staff. If you tap above or below an existing note, the new note will be added to the chord. Otherwise, the new note will only be created if there is space in the measure
Change the selected note's pitch: drag up or down to shift the pitch within the composition's key; drag left or right to create an accidental
Change the selected note's duration: drag two fingers together or apart
The following actions can be completed using the note menu (to see the note menu, tap a note):
The following actions can be completed using the measure menu (to see the measure menu, tap a measure number or a bar line):
The icons on the bottom are (from left to right):
This app utilizes the svg-android library (
http://code.google.com/p/svg-android/
), which is made available by the Apache License 2.0 (
http://www.apache.org/licenses/LICENSE-2.0
).
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