these 6 chords keep going around the entire song..pattern for both the verse and chorus..
[ Tab from: https://www.guitartabs.cc/tabs/a/amy_winehouse/brother_crd.html ]
Dbmaj7 Dbm7 F#13 Bmaj7 Ab7sus Ab7
e|----4------4-----2----2------4--------4---------|
B|----6------5-----4----4------4--------4---------|
G|----5------4-----3----3------6--------5---------|
D|----6------6-----2----4------4--------4---------|
A|----4------4----------2------6--------6---------|
E|-----------------------------4--------4---------|