Cruz Beckham has signed with a new music management team. The 19-year-old star – who is the son of David and Victoria Beckham – has signed with a new management team, as he looks to focus on a “more guitar-led organic sound”. The source told The Sun newspaper: “His move from TaP was amicable but he’s signed with C3 who manage rock bands like Thirty Seconds to Mars and Modest Mouse.” The move reflects Cruz’s musical sound and his long-term ambitions as an artist. The insider explained: “They are more in line with where his music is evolving. “Playing live is going to be a big part of the roll-o…