MI Music Theory Song I Got Rhythm by George Gershwin Project

Description

1. Submit your original song/cover song using at least 2 of the techniques of the following: 7th chords, Modal Interchange, Secondary Dominant, Chord Variants. 

The example I attached is sheet music Lately. The sheet music needs to be formatted exactly like the example provided.

2.  Indicate which technique you used on which section, at least 10 places.