Argentina-born Monica Dietrich overheard a mother pig’s conversation with her piglets when she was eight. She thought nothing was out of the ordinary until she told others. “I thought everyone does this,” she recalled.

Memories — fond, good, great and loving — are all that remain of the 22nd-annual Jazz in the Pines. Once again, the Hill has been graced with rhythm, mirth, blues and improvisation of beautiful jazz music. The festival’s popularity continues to attract thousands to Idyllwild for the two special days and to depend on the…