00:01LeBron Fillon Jr. had one post-practice assignment, and it came with a microphone-free performance.
00:08The Sixers' rookie stepped up to sing Happy Birthday to Jalen Brown,
00:13giving his teammate a playful serenade for his big day.
00:17Happy birthday to you. Happy birthday to my dog, J.B.
00:25Happy birthday to you.
00:30Fillon handled his rookie duties, and Brown got a birthday moment to remember.
00:34Nothing fancy, just a teammate. A song and a little post-practice fun.
