This is the picking riff which is played on the Piano.
[ Tab from: https://www.guitartabs.cc/tabs/n/nina_simone/sinnerman_tab_ver_2.html ]
Bm A Em
|-----------------|----------------|-----------------------------|
|-----------3-----|-----------2----|-----------------------------|
|------4------4---|------2------2--|-------------0---------------|
|-----------------|----------------|-------2-------2-------------|
|--2--------------|--0-------------|-----------------------------|
|-----------------|----------------|---0-------------------------|
Order:
Bm
A
Bm
Em,Bm