The kid who used to freestyle on the bus going to elementary school is 30 now. APtheG doesn’t freestyle anymore. He writes and produces his songs, and with more than 30 songs out, now he’s taking his shot at the music place. He’s coming out with “762,” a hard-charging hip-hop ode to a gun, his history and his ambition. Like most of his music, the song is a story with bits and pieces of his life in it. “It was a lot of people talking about different guns. Other people were talking abou...