Jananelle Monae sings the KMART back to school commercial. It is her song TIGHTROPE.
Target commercial has some weird old man in a gym suit with no music. It's creepy.
Without more specific information, it is difficult to determine which Target commercial you are referring to from August 2011. It would be best to provide more details about the commercial or the lyrics of the song to assist in identifying the singer.
The Black Keys - Howlin' For You
ELO
David Archueletta
Busta Rhymes
Jessica Frech
Jessica Frech sings about Hyundai Assurance on the 2011 Holiday Hyundai commercial.
Neon Trees
Fabienne Delsol
Phobophobia Sings the Loons - 2011 was released on: USA: 22 August 2011 (Made in Charlotte Film Competition)
I believe it is illuminated by the band hurts
Paul simon!
It's Our Time - Peter Raeburn - Chivas commercial 2011