COUNTDOWNS, MUSIC, POP

Paul McCartney and Michael Jackson top this week’s ’80s on 8 Big 40 Countdown (12/29/14)

COUNTDOWNS, MUSIC, POP

Hits 1: Weekend Countdown (12/29/14)

MUSIC, POP

YouTube’s Top Tunes of 2014: The Chainsmokers, Ariana Grande, and more! (12/26/14)

DANCE/ELECTRONIC, MUSIC

The Top Tracks from this week’s YouTube EDM 15: Skrillex, The Griswolds, and more! (12/26/14)

COUNTDOWNS, MUSIC, POP

George Harrison hits No. 1 on ’70s on 7: AT40 Countdown (12/29/14)

COUNTDOWNS, MUSIC

The Pulse 2000’s and Today (12/29/14)

COUNTDOWNS, MUSIC, ROCK

Slipknot stays strong at No. 1 in Octane’s Big ‘Uns Countdown (12/20/14)

COUNTDOWNS, HIP-HOP/R&B, MUSIC

Schoolboy Q dominates in this week’s Hip Hop Nation Music Meeting (12/20/14)

COUNTDOWNS, MUSIC, ROCK

Machine Head takes No. 1 for the sixth time in a row in the Liquid Metal Countdown (12/19/14)

MUSIC, POP

YouTube’s Top Tunes: Straight No Chaser, Olly Murs, and more (12/22/14)