Fri. 2/1 10a: Albuquerque's innovative, alternative classical music series, Sunday Chatter, celebrates its 5th anniversary on February 3 at The Kosmos. The Sunday morning concerts were conceived under the title "Church of Beethoven" in 2008 by cellist Felix Wurman. Spencer Beckwith speaks with violinist David Felberg, who took over as co-Artistic Director of the series when Felix passed away in 2009.