Idina & Lea Michele's "Somewhere" from Glee is the first track of Season 3 to crack the Billboard Hot 100 chart! It debuted this week at #75.
It also hit #42 in Hot Digital Singles for the week, and peaked at #14 on iTunes the day after the episode aired in the US.
Not too shabby for a non-Top-40 song on Glee. :) (Though I think I Dreamed a Dream performed better, but Glee's sales were much higher then than now.)
- Billboard.com