itunes.
finding songs,
pressing show in finder,
dragging it into garageband,
finding a cool part,
clipping off the rest, leaving only the selected part of the song in the garageband timeline,
going to share ---> send ringtone to itunes
renaming it in itunes to the name of the song in Ringtones,
assembling a newly updated ringtone library for the new phone to come
finding songs,
pressing show in finder,
dragging it into garageband,
finding a cool part,
clipping off the rest, leaving only the selected part of the song in the garageband timeline,
going to share ---> send ringtone to itunes
renaming it in itunes to the name of the song in Ringtones,
assembling a newly updated ringtone library for the new phone to come