Jac Holzman was still in college when he and pal Paul Rickolt each chipped in three hundred bucks to start a record company.  That label, Elektra Records – so named for Greek mythology’s daughter of Atlas and Pleione, but with the “c” swapped out for a “k” – inaugurated its catalogue with the simply-titled New Songs, an album of poetry settings by composer-pianist John Gruen.  Elektra soon shifted its emphasis to folk music, growing its discography with recordings by Theodore Bikel, Josh White, Judy Collins, Oscar Brand, and Tom Paxton before branching…