// use short fade-in to prevent "plop" sound for certain music files
// (this may happen when switching on music while playing the game)
Mix_VolumeMusic(mixer[audio.music_channel].volume);
// use short fade-in to prevent "plop" sound for certain music files
// (this may happen when switching on music while playing the game)
Mix_VolumeMusic(mixer[audio.music_channel].volume);