Apple today announced that music fans have purchased and downloaded more than 300 million songs from the iTunes Music Store. Additionally, the benefit single \"Across the Universe,â available exclusively on the iTunes Music Store, debuted as number 22 on the Billboard Hot 100 singles chart making it the most successful exclusive digital track ever in its first week of release. \"Weâre honored to offer \"Across the Universe\" exclusively on the iTunes Music Store with all proceeds going to tsunami survivors and their families,\" said Eddy Cue, Appleâs vice president of Applications.