In this sixth episode of “Elton Jim” Turano’s “CAPTAIN POD-TASTIC,” Jim Turano conducts an exclusive, insightful, hour-long interview with Elton John’s longtime and respected guitarist and touring musical director, Davey Johnstone.  He is responsible for creating some of the best-known rock riffs in history, including the guitar introductions to “The Bitch Is Back” and “Saturday Night’s Alright (For Fighting).” Jim and Johnstone discuss the recording of Elton John’s new album, “Wonderful Crazy Night,” Johnstone’s more than four-decade association with Elton John, some of his memorable concerts with Elton, and the possibility of a special tour featuring just “deep tracks” from Elton’s John’s vast, five-decade musical catalog.