Download TunesGo[Windows & Mac]: http://www.phonetransfer.org/itunes-companion
Simple steps to put music on HTC One X9 from computer by TunesGo.
TUNESGO FREES YOUR MUSIC
Move your music from HTC One X9 to another – iTunes to HTC One X9, HTC One X9 to PC, PC to HTC One X9, iPod to iTunes, PC to Mac.
Discover, Download, Manage and Enjoy your favorite music with TunesGo.
TRANSFER MUSIC WITHOUT DEVICE LIMITATION
Transfer your iTunes media files (Music, Playlists, Movie, Podcasts, TV Shows, iTunes U and more) without limits.
a. iPhone/iPod/iPad iTunes.
b. iPhone/iPod/iPad/Android PC/Mac.
c. Android iTunes.
TunesGo automatically converts almost any music file to a format supported by your device and iTunes. Compatibility is never an issue.