Ropeadeope presents its second New Music Seminar tonight at the Mercury Lounge in New York City. The concept of the event is to mix a unique group of musicians in a loose, improvisational setting. Tonights line-up includes Rob Wasserman (Ratdog), Neal Evans (Soulive), DJ Logic, Billy Martin (Medeski, Martin & Wood), Uri Caine (Philadelphia Experiment, Par Martino and C-Rayz Waltz. Many special guests are also expected. Limited tickets are still available. Showtime is 9 p.m.