ALCHEMIST 4/28/2009 10:00 PM at JESUS AND THE ARGONAUTS 435 South Huntington Avenue, Jamaica Plain, Massachusetts 02130 Cost: Always Free After Jason’s horrific but liberating death, the Argonauts spent years in search of a vocalist. While the group was vacationing in the picturesque midwestern United States, Orpheus met Jesus in an otherwise empty bar. Over the din of old Whiskeytown records ema…