Week of October 17

Not much movement at the top of the chart -- the only big mover in the top 20 is Brendan James' "The Lucky Ones" (26-20) -- so we'll concentrate on the songs in the lower portion of the chart this week.

Four debut songs are topped by Bruno Mars' first hit on my charts. "Just the Way You Are" enters at No. 35. The song is already the No. 1 hit on Billboard's Hot 100, where Mars has had success in collaborations with other artists this year. Another act doing well on the Hot 100 is the group the Far East Movement, right behind Mars with "Like a G6" at No. 2. On my charts, the group's collaboration with singer Keri Hilson, "Don't Look Now," enters at No. 40.

Rihanna, who just slipped out of the countdown two weeks ago with her collaboration with Eminem, "Love the Way You Lie," is back with a solo hit. "Only Girl (in the World)" debuts at No. 38. It's her fourth chart appearance this year; besides the Eminem duet, she's hit with "Russian Roulette" (No. 14 in January) and "Redemption Song (for Haiti Relief)" (No. 11 in April).

The last of the new songs this week is "What Do You Got?" at No. 39. It's Bon Jovi's follow-up to the Top 20 "Superman Tonight." The group's appearances on my chart go back to 1986, when "You Give Love a Bad Name" hit No. 11. I remember seeing the band open for .38 Special in 1986 and reviewing the show as "the stuff of which homeroom conversations are made." They've come a long way since then ...