Hayes Carll is an up-and-coming singer-songwriter from Texas with a distinct country bent and mighty humble beginnings. (Early in his career he had to resort to selling vacuums door to door to support himself.) He has a voice as tough and relentless as a late-night Lone Star brawl and a lyric sensibility worthy of an M.F.A. creative-writing seminar. Carll just posted this tidy animated video on YouTube about his early days performing. His major-label début, “Trouble in Mind,” is out April 8.