That's what 2007's The Very Best of the Doobie Brothers is, a double-disc helping of the Doobies' biggest songs from 'Listen to the Music' to 'The Doctor.' Actually, this Very Best stretches a little further than 'The Doctor,' which arrives five songs from the end, illustrating the point that for the average listener, this may be just a little too generous at 33 tracks. There's even been a comprehensive four-disc box, but what there hasn't been is a double-disc set - something that falls between the conciseness of 2001's terrific Greatest Hits (the first CD to contain all the big hits on one CD) and 1999's four-disc Long Train Runnin' 1970-2000. There have been two-part vinyl Best of the Doobies, there have been budget-line collections, and there have been OK overviews as well as excellent generous discs with all the big hits. There have been plenty of single-disc Doobie Brothers collections released over the years.