45 #1s on M Countdown in 2010. Top winner 2PM (5), then 2NE1 (4). 3 songs with 3+ wins, 25 artists winning here for the first time this year. Open an episode for that week's other shows and song details.
In 2010, 25 artists and 32 songs shared the M Countdown trophy; the busiest month was month 4 (5 wins). The longest run was “Without U” by 2PM, 3 weeks. First-time winners on this show this year: 2AM, Kara, T-ara, Beast, Rain and 20 more. Dates in the table open episode pages; same colour in the heatmap means the same artist.
