drop d tuning here (make sure 12th fret bottom E sounds the same as open D)
this tab is 100% accurate:
[ Tab from: https://www.guitartabs.cc/tabs/r/rocket_from_the_crypt/on_a_rope_tab_ver_2.html ]
G-------------------------2------
D---4-2-4---4-2-4---4-2-4-2-4-2-4
A---4-2-4---4-2-4---4-2-4-0-4-2-4 thats the main riff, and all the chords
D---4-2-4---4-2-4---4-2-4-X-4-2-4
used in the song, slow them down for other parts of the song and change the order.
any other 100% accurate rock tabs you want mail me at nirvanaskater@hotmail.com
enjoy.
