Here's the real Jammin
F#m - F#m - F#m - F#m B - BB D - DD - DD - D - Dbm7
F#m
[F sharp minor]
E--2--
A--4--
D--4--
G--2--
B--2--
e--2--
B
[B]
E-----
A--2--
D--4--
G--4--
B--4--
e--2--
[ Tab from: https://www.guitartabs.cc/tabs/m/marley_bob/jammin_tab.html ]
D
[D]
E-----
A--5--
D--7--
G--7--
B--7--
e--5--
Ebm7
[E flat minor seven]
E-----
A--4--
D--6--
G--4--
B--5--
e--4--
The chords sound complicated but there not. there just versions of bar chords
the Ebm7 is an Eb bar chord minored, then turned into a seventh.
Have fun
Tabbed by Nicky Wood