Oklahoma City, OK: As Rob Keiter stood at the microphone to record his vocals for “This Nearly Was Mine,” the opening track of his The Glory of Love album, a torrential flood of tears burst forth unexpectedly.  Although he could not contain his raw emotions while singing the heartfelt words about love lost, he sang anyway.  What was captured on the recording was something special and it established the tone for the entire collection of classic love songs in jazz settings, which will …