libtimidity.js is based on libtimidity by sezero (Özkan Sezer).
Original libtimidity repository: https://github.com/sezero/libtimidity

Original TiMidity © 1995 Tuukka Toivonen
TiMidity++ © Masanao Izumo and contributors
libtimidity © sezero (Özkan Sezer)
Port to JavaScript/WASM (DAW edition) © Kamshory for Planetbiru Composer

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.