this is a simple song |--0-3-0-6-0-3-0-6-0--| |--0-0-0-0-0-0-0-0-0--| |---------------------| |---------------------| |---------------------| |---------------------| |---------------------| |---------------------| |---------------------| |---------------------| |---------------------| |--0-3-0-6-0-3-0-0----|