You'd take the pill, you'd be talking, you'd sober up, you could work almost endlessly - until the pill wore off, then you'd have to have another" Anthology, page 50.
The Beatles made a total of five trips to Hamburg between 1960-1962, and it would be difficult to over-estimate the impact of those trips.
Retrieved 17 February 2010.
Retrieved 19 January 2014.