The Music Never Stops $20.00 Inside Message Inside: I play for keeps Packages of Heartstrings® cards are shrink-wrapped and sold in sets of 10 cards with envelopes. The actual card size is 4 1/4" x 5 1/2". The Music Never Stops quantity Add to cart SKU: 795. Category: Music. Related Products Sing Me a Song $20.00 Just a Little Note $20.00 Merry middle c $20.00 All I Can Hear is My Heart $20.00