For tonight’s Heart of the Hearts Feature, Sterling Beeaff catches up with Jeff Harris, Founder and Music Director of the Sonoran Desert Chorale, about the upcoming Rejoice and Sing Concerts,  Saturday, Dec. 6  at the First United Methodist in Mesa, and Sunday, Dec. 7 at the Valley Presbyterian Church in Paradise Valley . For complete ticket and concert details, visit sonorandesertchorale.org.