Thank you for using RiverSongs musical cards to share with your friends & loved ones. Please keep in mind that you can email birthday wishes cards with music, as well as happy anniversary ecards up to 6 month's ahead of time. Our free greeting cards are compatible with mobiles such as iPhone & android. Smartphone users will see a video ecard with music, which is the same greeting card that a computer user views and visa-versa. You may feel free to use the social media icons below the greetings to share with facebook, twitter, & whatsapp.