Winona Ryder has made some bad movies during her career despite her brilliance, like 'Lost Souls', which emerged to critical and commercial failure in 2000.

Red Hot Chili Peppers trod the line between greatness and madness in the early 1990s. This 'SNL' performance veered closely towards the latter.

There are many different artists who have contributed towards the elusive nature of prog rock, but you might be surprised to hear one of them is Joni Mitchell.