To delete multiple songs
Open the Music Library screen, tap the Songs tab, tap the Menu icon
(at the upper-right corner of
the screen), then tap Delete. Checkmark each
of the songs you want to delete, tap Delete (at the bottom of the screen), then tap Yes to confirm.
NOTE
Tap the Menu icon (at the upper-right corner of
the screen) from another Music tab to delete one or more of the items
in that selected tab.