Turn-On production. Many assumed the show's title was itself an implicit reference to Timothy Leary's pro-drug maxim, "Turn on, tune in, drop out". The network eventually replaced "Turn On" with a revival of "The King Family Show". The controversy led ABC to reject a pilot written by Norman Lear, stating that the lead character was "foul-mouthed, and bigoted", out of fear that it might anger its affiliates again. CBS liked it, picked it up as "All in the Family", and began airing it in 1971. In 2002, "Turn-On" was ranked number 27 on "TV Guide's" 50 Worst TV Shows of All
Drop D tuning (now E). Although the drop D tuning was introduced and developed by blues and classical guitarists, it is well known from its usage in contemporary heavy metal and hard rock bands. Early hard rock songs tuned in drop D include The Beatles' "I Want You (She's So Heavy)" and Led Zeppelin's "Moby Dick", both first released in 1969. Tuning the lowest string one tone down, from E to D allowed these musicians to acquire a heavier and darker sound than in standard tuning. Without needing to tune all strings (Standard D tuning), they could tune just one, in order to