20.60Your workflow for a real song
When you want to figure out a song by ear:
Pass 1
Find tonic/key.
Pass 2
Find phrase boundaries.
Pass 3
Find harmonic rhythm.
Pass 4
Hum/find bass line.
Pass 5
Mark tonic/predominant/dominant regions.
Pass 6
Try I, IV, V first.
Pass 7
Add ii, vi, iii where needed.
Pass 8
Identify inversions.
Pass 9
Look for secondary dominants, borrowed chords, diminished passing chords.
Pass 10
Add 7ths/extensions/colors.
This order saves enormous time.