This Sunday on Fine Tuning I’ll pay tribute to bassist, vocalist and songwriter John Wetton (pictured), who died on Jan. 31 at the age of 67. Besides leading the band Asia, John played pivotal roles in King Crimson, U.K., Family, and several other British groups. Also in the mix will be selections from the new Michael Chapman album ’50,’ plus new songs from Rhiannon Giddens & Valerie June. Fine Tuning: 4-6 p.n. Sundays on 107one.