An outfit based on a marching band drum major! In the video, she leads the animals forward while swinging her baton! 
— Website description[1]
Doremifa Rondo (ドレミファロンド?) is an Outfit for Hatsune Miku.
Description[]
The Outfit's attire consists of a blue shako cap with white in the middle and a light blue eighth note (♪) printed on it, a black brim, and gold stripes on the vinyl and brim, a light-blue marching band jacket with puffed shoulders, gold stripes, a white middle section with gold epaulets, a sky-blue and black striped sash held with a gold link, white gauntlets with gold stripes and cufflinks, a black, pleated skirt, long, blue stockings with gold stripes on each side, and black shoes. Additionally, Miku's hair becomes a sky blue with lighter streaks and her twin-tails become slightly thinner and are held with blue bands.
Game appearances[]
The Outfit first appears in Hatsune Miku: Project Mirai 2 where it can be unlocked by clearing "Doremifa Rondo" on any difficulty and can be bought for 5000 Mirai Points. It returns in Hatsune Miku: Project Mirai DX with the same unlock conditions, though it now costs 3000 Mirai Points to buy.