Here is the first M6A for 2019. Man I love this song.

Applejack - Alto 2 (Lowest part)
*Lead Vocals
Twilight Sparkle - Alto 1 (Second Lowest Part)
*Bass Line
Rainbow Dash - Soprano 2 B (Third Lowest Part)
*Ehs/Backing Vocals
Pinkie Pie - Soprano 2 A (Third Highest Part)
*Percussion
Rarity - Soprano 1 B (Second Highest Part)
*Piano Line
And Fluttershy - Soprano 1 A (Highest Part)
*Strings/Keyboard/Guitar Line