How do I get music from my LG2 to my new Samsung galaxy S7 Edge?

I downloaded this music to avoid using data to stream it every time I listened to it. I don't have enough data for that. On the LG2, downloading eliminated data usage when I played the music. I want it that way on the Samsung S7 Edge.

from Android Forums at AndroidCentral.com - Ask a Question //forums.androidcentral.com/showthread.php?t=784449&goto=newpost
via IFTTT