Here we are at the crossroads of summer, the unofficial half-way point of a season long championed for its sense of outdoor invitation, vacation-inspired escape and, in all senses of the word, warmth.

Her high harmonies put an emotional charge into her work with George Jones and others. She also had solo hits, including “No Charge,” a country No. 1. By Bill Friskics-Warren Songs by Labi Siffre, ...