You can use keyboard shortcuts instead of buttons or menu commands. Keyboard shortcuts are case-insensitive (either upper or lower case letters run the command).
P starts playback.
S stops playback.
U pauses playback.
M opens the My Music window.
N moves to the Next track.
R moves to the Previous track.
O opens the FreeAmp Preferences dialogs to configure settings.
H or F1 opens Help contents.
C shows credits for custom Themes.