Cards Piano Birthday Card for a Friend September 24, 2021 / I made this card with both the friend notation and blank on the front. I used music sheet paper that is the Happy Birthday song on the inside and made the card shaped like a piano. There is an area at the bottom to write your own personal message. Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading...