The song is Colors. It is sung by Kira Willey.
Kira Willey
Colors by Kira Willey (Author)
Jennifer Terran sings it on the Dell commercial, however Doris Day first sang it. Que Sera Sera
Colors By Kira Willey
flaming lips
The Felice Brothers (tone deaf asshats)
That song is "I Love You, Ono" by Stereo Total.
The Felice Brothers (tone deaf asshats)
the song is "the wand" by the flaming lips
The song in the Dell commercial that is reminiscent of Feist's song 1234 is called Trace. The music was written by Explosion Robinson, and the vocals are by a singer named Melati Mmalay.
New Politics "Yeah Yeah Yeah"
Stereo Total - I love you, ono