Mandolin virtuoso Chris Thile’s musical collaborations have taken varied shapes over the years, from Nickel Creek’s trio to the Punch Brothers’ sextet. But one of his latest projects is a two-sided venture with Brooklyn-based guitarist Michael Daves. The duo released an album, “Sleep with One Eye Open,” earlier this year, and joined us live in The Greene Space to regale the audience with their urban-infused bluegrass.

This is an encore edition of Soundcheck.