So, what project in your life has taken you the longest to complete? Has anything you’ve really wanted to do ever taken you 18 years? Most likely not, but that’s how long it took director Denny Tedesco to complete his documentary on a small group of musicians in Los Angeles who, from the late 1950’s through to the 1970’s, supplied the rhythm section (drums, bass, guitar, keyboards, percussion, saxophone) for hundreds, if not thousands of hit records.