11 Asian acts who broke into the Billboard Hot 100: BTS, CL, PSY,
List of Billboard Hot 100 number ones of 2009 - Wikiwand
BTS makes Billboard history with 'Savage Love (Laxed – Siren Beat)' - YP | South China Morning Post
回顾2009年billboard榜（ Top 100 Songs of 2009 - Billboard Year End）_哔哩哔哩_bilibili
Billboard Year-End Hot 100 singles of 2009 - Wikipedia
List of K-pop songs on the Billboard charts - Wikipedia
Download mp3 Billboards Hottest Hot 100 Hits 2009 - Cd 6 album of Top Billboard - MP3Eagle.com
Billboard 2009 Top100
The Billboard Book of Top 40 Hits, 9th Edition: Complete Chart Information about America's Most Popular Songs and Artists, 1955-2009' - Fort Myers Florida Weekly
Top R B Songs 2009 MP4 & MP3 Download
All Billboard Top 10s Since Canadian Hot 100 Launch | Canadian Music Blog
Billboard 2009 Year End Hot 100 Songs
Billboard Hot 100 Charts: The 2000s - Record Research
V.A.-Billboard Top 100 Songs 2009 | Gigabeat
Suspecting that Korean media is deliberately "ignoring" BTS' records, only taking into account Big 3 artists' kpop songs in the top chart of Billboard Hot 100 - KBIZoom
Best Of 2009: By-The-Numbers – Billboard
V.A.-Billboard Top 100 2009 | Gigabeat
Download The Fray - You Found Me (O Epic) - Top Billboard
Drake Has Been on the Billboard Hot 100 Chart for Eight Years Straight - XXL
Roar,' 'Royals,' 'Radioactive': Why Hit Songs Now Have One-Word Titles – Billboard
Labour markets for musicians, Barriers to foreign market entry for artists, The value of music awards - The Music Export Business
Billboard Year-End Hot 100 singles of 2009 - Wikipedia
Billboard Top 100 of 2009 - playlist by Gary Li | Spotify
