Send your son a Valentine's Day serenade with Doozy’s Musical Valentine’s Day eCards. Tickle your son's funny bone, fill his phone with musical Valentines, and choose from our collection of free musical Valentine’s Day ecards to let your son know he is loved.

Send your son his own musical Grand Ole Opry Valentine ecard with our crooner pup who sounds like Johnny Cash or send son some doo wop singing desert animals in our Doo Wop Valentines ecard.

If your son loves man's best friend, send him our musical dog ecards. Pugs in Plaid Doo Wop Valentine  has canine crooners sing Valentine wishes to your son. Another doggone cute Valentine is Yorkies Sweet Valentine where your son helps yorkies give him Valentine’s Day gifts.

If your son has a sweet tooth, send him Dancing Valentine Doggies, a chocolate box full of doggies dressed as candy, champagne and roses ready to serenade your son. Singing Valentine Maltises is also a popular musical Valentine ecard.

Dionne Warwick’s Valentine Song, recorded exclusively for Doozy Cards by the Grammy-winning singer, features Dionne serending your son. Dionne will let him know who much you love him this Valentine's Day.

If you’re looking for a special message to add to your son's ecard, here are a few suggestions from our staff:

• To my sweet son, you are so loved. Happy Valentine's Day!
• To love a son is a gift from God. Happy Valentine’s Day!
• Son, you make my heart sing, Happy Valentine’s Day.

If you need help writing a warm and heartfelt or funnny message in Dad's Valentine, use our staff suggestions in our Doozycards' guide, What to Write in a Valentine's Day Greeting Card. Send your son a free musical Valentines ecard with our ten day trial.