Here are 24 hour digital sales records (only tracks selling at least 150K are shown). The single “Best Song Ever” by One Direction had 189,387 paid downloads on iTunes within 24 hours.

I was walking in NYC 10+ years ago and saw this band performing a street fair as far as I can remember. What I witnessed was two energetic frontman from Ireland wooing the crowd. I asked them for a demo and I posted them on Kings in 2003. Anyhow, I just heard they signed to Interscope and will hit the road with P!NK in October, and November and will headline in Australia.
Check out the video for the track Get On It by The Kin.

Lorde (Royals) – 51,022
Katy Perry (Roar) – 28,656
Miley Cyrus (Wrecking Ball) – 27,992
Avicii (Wake Me Up) – 21,282
Lady Gaga (Applause) – 13,548
Britney Spears (Work B**ch) – 12,310
Katy Perry (Walking On Air) – 11,022
One Republic (Counting Stars) – 9,837
Luke Bryan (That’s My Kind of Night) – 10,133
Passenger (Let Her Go) – 8,682
Panic! At the Disco (Miss Jackson) – 2,585
John Legend (All of Me) – 2,499

For instance, Katy Perry’s single ROAR had 28,656 paid downloads on iTunes within the last 24 hours. Lorde’s single Royals had 51,022 paid downloads.

Buzz Track: Hold Up Girl

The Long Island four-piece, NGHBRS recently released a music video for their catchy indie pop song “Hold Up Girl”. Their full length “Twenty One Rooms” was released on July 16th. The band is headlining The Space in New Hamden, CT this Friday on October 4th. This is a artist to watch.
Contact: billy@sightinsound.com

Buzz Track: Get Out

Tommy Burr is a singer songwriter who is generating a great deal of attention with his recently compiled 5 song EP. His video for the track Get Up has 100k views on YouTube and he co-produced the songs with Kristoffer Eriksson (also in Violet Days) and Herman Gardarfve. He’s been performing on the club circut in Stockholm.
Contact: magnus@catapult-music.com