If you want to set your favorite song from your music library as Alarm Tone on your iPhone then check out “MyAlarm” Cydia tweak, which is available free. Now, if you wish to know how can you set your favorite song as Alarm tone on iPhone then read out the article after the break.
Set Your Favorite Song as Alarm Tone Using MyAlarm Cydia Tweak
Tap on “Cydia” icon and there tap on “Search” tab
Type “MyAlarm” and from search results tap on MyAlarm to install it, and then Respring
Open “Settings” app, to configure MyAlarm and then tap on “Set Song As Alarm” option to make selection of song for alarm tone
Note: MyAlarm Cydia tweak is compatible with jailbroken iOS 5+.