For example , a button may indicate anything from a cheer , handclap , whistle , musical instrument sound , or other various supportive sounds .
The actions of the buttons as they relate to the performance change depending on the song and degree of difficulty .
A button may indicate anything from a cheer , handclap , whistle , musical instrument sound , or other various supportive sounds .
The actions of the buttons as they relate to the performance change depending on the song and degree of difficulty .