Music Builders is a simplified LearnPlay adaptation using the real Music Blocks
rhythm/meter module by Walter Bender / Sugar Labs, AGPL-3.0-or-later.
Original module copyright (c) 2016-23 Walter Bender; included unmodified.
Pinned upstream commit: 0ff83c9affbfa5e45eed5b8b177b67d765dadfe9
Source: https://github.com/sugarlabs/musicblocks/blob/0ff83c9affbfa5e45eed5b8b177b67d765dadfe9/js/utils/musicutils-rhythm.js
SHA256: 3cc0bdd3f6440682b1f99f1be65b9c34ff14b923340b4d62e83b77660a0bebbb

Actual reused functions: getMeasurePosition (beat/meter display) and convertFactor
(block-duration musical notation). The full Music Blocks editor is NOT included.
New LearnPlay page and interaction code are also AGPL-3.0-or-later. No compilation
is required. See NOTICE.md for all complete corresponding source links and run
instructions; COPYING is the full AGPL-3.0 license. Source links are also visible
in the activity's credits footer. Shared permissive dependencies retain notices.

No Planet sharing, accounts, remote samples, camera/microphone, analytics,
telemetry or cloud services. Child creations are session-only.