I Don’t Know Why

[F         Dm        Am7 Abm7  Gm7
+---------+---------+---------+---------+

 C7        Gm7       C7        Fo   F
+---------+---------+---------+---------+

 F    D7   Gm7   C7  F    D7   Gm7  C7
+---------+---------+---------+---------+

 F         C7       Gm7 Bbm7 Eb7 F      ]
+---------+---------+---------+---------+