When was the song “Attention” released by HyunA?

The song Attention was released in 2011, on the album “Bubble Pop!”.

Attention

Prrr... uh!
What you gonna do? Attention!

Hey hey - What you gonna do?
Hey hey - What you gonna do?
Attention, attention, attention, a a attention

Hey stop - meom choba
Naega - guayeon nugulka (yeah!)
Chingu deurege jeonhaejo, HyunA ga watdago sorichyeo

(Attention!) da alji
(Attention!) naega nugunji
Ne yeojahante jeonhaejo
HyunA ga watdago sorichyeo

Modu gachi nal, tara bulleobwa, oh!
Attention, attention, attention, a a attention

Modu gachi nal, tara oechyeobwa, uh!
Attention, attention, attention, a a attention

Hey hey - What you gonna do?
Hey hey - What you gonna do?
Attention, attention, attention, a a attention

Uh!