Egao Sing A Song

is a song by Hello, Happy World!

It is the title track for their 5th single, with Hareyaka Sukoyaka Pikarinrin♪ as the coupling track. It was released on August 21, 2019.

The Blu-ray edition includes the 7th and 8th episodes, their previews, and Hello, Happy World!'s CM for BanG Dream! 2nd Season. The first-print limited editions also included one of the five character cards and a lottery ticket to "BanG Dream! 3rd Season Production Presentation & BanG Dream! Xmas Party 2019", which was held on December 12, 2019.

It was used as one of the insert songs for the 13th episode of BanG Dream! 2nd Season.

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

Videos
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Chart Performance

 * On August 21, 2019, Egao Sing A Song ranked 8th in the daily singles rankings in Oricon.
 * On the same day, the digital single ranked 2nd in the anime category and 11th overall in the iTunes store. It also ranked 3rd in mora.
 * On August 22, 2019, Egao Sing A Song ranked 7th in the daily singles ranking. It also rose up the 8th spot in the overall category in the iTunes store, and to the 1st spot on mora.
 * On the same day, Egao Sing A Song's digital version ranked 7th in Oricon's daily digital single rankings, while the coupling track Hareyaka Sukoyaka Pikarinrin♪ ranked 11th.
 * On August 28, 2019, Egao Sing A Song ranked 10th in the weekly singles ranking.
 * The single stayed in the weekly charts for 10 weeks.