I put together a handbook with essentials for composers and songwriters. Something you can refer to when writing!
 
Included: 
- Major and minor keys (chart and information)
- Notes on melody and harmony
- Triads
- Chord progressions
- 7th chords
- Non-Chord Tones
- Musical motion
- Instrument families 
- Dynamics
- Articulation
- Ornaments
- Common expressions 
- Common tempo terms
- The musical map
- Motifs and transformations
- Harmonizing intervals
- Chord colors
- Pre-Dominant chords
- Modes
 
There is a version in pink, green, or black/white for printing. 
 
This is a zip file with the three versions above included. 
 
Any edits/additions I make, I will send over to the purchaser.