The songwriter’s songwriter is one who adheres to an unwavering standard of excellence. His work is honed, sculpted, shaped, and then reshaped until it feels right to share with the world. These are just a few of the guiding principles Steve Forbert followed while composing the 11 original songs on his new album, Compromised. (Stripped-down Americana versions of three of its songs appear as bonus tracks, and there’s also a gravelly, folkified cover of “Send in the Clowns.”).