SM Entertainment's new four-member girl group Red Velvet (Irene, Joy, Seulgi, andWendy) will hold their first debut stage on 'Music Bank' on August 1!

Red Velvet will kick off their live performances of their debut song "Happiness" on KBS 2TV's 'Music Bank' on August 1, then followed by MBC's 'Music Core' on the 2nd and SBS' 'Inkigayo' on the 3rd.

They are set to bring a happy virus with "Happiness" which is an urban, euro-pop song that has a powerful synth sound and tribal beat.

Their debut digital single will be released on music sites on August 4 at noon KST!