[Bb        D7        G7
+---------+---------+---------+---------+

 C7        F7        Dm7  Dbm7 Cm7  F7
+---------+---------+---------+---------+

 Bb        D7        G7
+---------+---------+---------+---------+

 C7        F7        Bb   Eb7  Bb   F7  ]
+---------+---------+---------+---------+