Here’s the 20-member mega-group Exile, with “Konno Sekai No Aisuru Tame” which is the theme song for their 2013-2014 concert tour. All the background dancers are trainees and members of other bands on their same label.

Here’s mega-group E-Girls, which at it’s peak numbers had 30 (they have 19 now). This is their single, “High School Love.” As well as a special dance video they put out:

Here is Perfume with their singles, 2014’s “Pick Me Up” and 2013’s “1mm.”

We have Taiwan’s Jolin Tsai with “Play.” Whose music video is based off of The Sims.

“What is Love” by Ho Ngoc Ha, from Vietnam.

“I Feel You” by the Wonder Girls, for their 2015 comeback “Reboot.”

“I Got a Boy” by SNSD.

“Mamma Mia” by Kara.