Man, this is one of my favorite songs and I really enjoyed how it came out.

Hamilton: Rainbow Dash
17 year old Hamilton: Snowdash
12 year old Hamilton: Filly Rainbow
Hamilton's Mother: Cadence
Eliza: Fluttershy
Burr: Applejack
Washington: Twilight

Bleh, no good thumbnails so you'll just have to live with mid blink.