Though Jessica Carter Altman was in law school a few years ago, deep down she knew she “always wanted to be a musician.” At the time, “it felt a little ridiculous,” the 33-year-old exclusively tells OK!. “I knew getting an education was really valuable, and I knew I’d go to college because my parents made that very clear. I went to college and inertia kind of takes over. I decided, ‘Well, I am going to get a graduate degree.’ I’m very fortunate I had that opportunity.” “When I was in law school, I started to perform again and realized how much I missed it,” she continues. “It was during law sc…