Local singer-songerwriter Andy Zipf calls himself “a mood pop artist who sings songs for the lonely,” but with his popularity on the rise, we can’t imagine he’ll stay solitary for too long. Zipf took the time to chat with DCist about his music, taping a segment with the Today Show, and what the hell “pod-jacking” is. VITALS: Full Name: Andrew Zipf Age: 24 Hometown: Indianapolis How long have you lived in Washington: 4 or 5…