Purchase your identified songs on iPhone or iPad
To further support artists, you can purchase your identified songs from the iTunes Store on iPhone or iPad.
Go to the Shazam app
on iPhone or iPad, then tap Library 
at the bottom of the screen.Do either of the following:
Tap
on any song, then tap Buy on iTunes.Tap and hold a song, then tap Buy on iTunes.
Tap a song, tap
in the track screen, tap , then tap Buy on iTunes.Note: If a song isn’t available in Apple Music, the Buy on iTunes button doesn’t appear.
Tap the price next to the song or album to buy it.
Follow any onscreen instructions to complete the purchase.
To find the music that you purchased, open the Apple Music app
and tap Library.