Hartman created the recording board for the sessions produced by Johnny Winter , on which the album `` I 'm Ready '' was ran . Hartman created the recording board for the sessions , produced by Johnny Winter , which ran the album `` I 'm Ready '' .
Hartman mencipta papan rakaman untuk sesi-sesi yang dihasilkan oleh Johnny Winter, di mana album "I'm Ready" telah dijalankan. Hartman mencipta papan rakaman untuk sesi-sesi, yang dihasilkan oleh Johnny Winter, yang menjalankan album "I'm Ready"'.