Thought this might be helpful...
? Left/Right Arrow Key ............... rewind/fast forward
? Home Key .................................. go to start of song
? End Key ...................................... go to end of song
? Space Bar ................................... toggle transport start/stop
? Ctrl & Space Bar ........................ start at last start position
? Alt & Left/Right Arrow Key ...... walk through history of recent start positions
? Ctrl & Left/Right Arrow Key ..... go to previous/next marker
? Ctrl & T ...................................... open a new track
? + / - Key ................................... zoom in/out
? Page Up/Down Key .................. moves one "editor page" up/down
? Up/Down Arrow Key ................ scroll mixer up/down if there are more tracks than will fit on screen (with Ctrl, same but bigger steps)