PHILADELPHIA, PA (Apr.14, 2015) — Super funny @Welvendagreat appears on the cover of Quilly‘s new freestyle “Poppin My Collar.” With over 693,000 followers on Instagram and over 143,000 fans on Vine, Welven is a growing sensation in the world of social media comedy. Click the link to listen to Philly’s #1 breakout artist, Quilly, who was also recently co-signed…