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CNET: Share MP3s as tweets with Songly - please digg this review!
KillerStartups: Song.ly - Sharing Music The Twitter Way
EverythingTwitter: Song.ly - find an MP3 and share on twitter
TwitDom: Song.ly
SolSie: Tweet away your mp3 with Song.ly
AppScout: Share Your Tunes on Twitter with Song.ly
Nel Web: Condividere MP3 con Songly (in Italian)
P2P On: Song.ly Lets You Share Tracks as Tweets
SocialWebTools: Song.ly
Twitter Apps Database: Song.ly: Share Music on twitter
Twitter Resources: Song.ly: Share MP3 Music on Twitter!
Ziipa: Song.ly
TechChuck: Share MP3s as tweets with Song.ly
Rocketsurgeon: Song.ly
eHub: Song.ly
Presse-Citron: Song.ly, pour partager l'ecoute d'un mp3 sur Twitter (in French)
Web2.0Share: Song.ly (in Chinese)
Mashable: 16 Great Music Add-Ons for Firefox
TechCrunch: Song.ly Lets You Share Music Via Twitter
Select Courses: 100 Firefox Add-Ons to Create a Truly Brilliant Browser
TechCrunch: Your Guide to Music on the Web, Part II
Online Degree Programs: Top 50 Apps for the Twittering Teacher