Egao no Orchestra!

is a song by Hello, Happy World!

It is the title track of their first single, with Happiness! Happy Magical♪ as the coupling track. It was released on August 2, 2017.

A recorded live version performed by Raychell, Natsume, Kurachi Reo and Otsuka Sae during the THE THIRD 1st Live was included in the live album released on September 26, 2018.

It can be unlocked in BanG Dream! Girls Band Party! by finishing Chapter 2 of Hello, Happy World!'s First Band Story.

It was one of the challenge songs for the events Hello, My Happy World  and Summer, Slow Summer.

It was used as one of the insert songs for the 1st episode of BanG Dream! 2nd Season.

It was written by Oda Asuka, and arranged and composed by Fujima Hitoshi.

Videos
MV = Single Preview = Single CM = Hard Preview =

Chart Performance

 * On August 2, 2017, Egao no Orchestra! ranked 6th in the daily singles ranking in Oricon.
 * On August 9, 2017, the single ranked 9th in the weekly ranking.
 * The single stayed in the weekly charts for 10 weeks.

Live Performances

 * January 13-14, 2018: GARUPA Live in Tokyo Day 1 & 2
 * March 25, 2018: THE THIRD 1st Live
 * May 12, 2018: HAPPY PARTY 2018!
 * July 17, 2018: THE THIRD 2nd Live
 * December 7, 2018: Brave New World
 * February 22, 2019: Genesis
 * July 14, 2019: Heaven and Earth Day 2
 * May 15-16, 2021: Welcome to OUR MUSIC♪

Trivia

 * In commemoration of the single getting into Oricon's daily top 10 rankings, the game's Japanese server was given usable Hello, Happy Ranger! Live2D costumes.