Dr. B Music Theory Lesson 21 (Melody Harmonization)

TOPICS
0:00 - STEP 1: determine key signature
1:12 - STEP 2: first, last & penultimate chord
2:11 - STEP 3: chord options for harmonizing remaining notes in melody
5:37 - STEP 4: eliminate chord options based on chart of good harmonic progressions
10:20 - STEP 5: choosing exact chords and writing Roman numerals
13:44 - CORRECTION: ii chord put in first inversion should be written ii6
15:13 - STEP 6: check outer voices for errors
16:20 - STEP 7: fixing errors by changing inversion (d8 & P5 found in example)
18:18 - STEP 8: part write
20:05 - ***MISTAKE: Thanks to a subscriber who caught a mistake I made! Parallel 5ths!!
20:17 - STEP 9: play on piano to check for errors

QUESTION FROM COMMENTS:
Jio'vanni Delvalle
How do you memorize all the possible chords? I have to write out the triads for each chord for the scale to figure this out...is there a trick to memorization?
Video answer is here:    • Ask Dr.  B About Music Theory, Episode 17 ...