The sleeve front and labels state just Cliff Richard. The sleeve back states that some tracks have The Shadows backing and some have Norrie yet all the artist fields have Cliff and The Shadows.
I think it should just be Cliff or the Norrie ones must be amended. Anybody have strong emotions either way?
21 Today Made Number 1 in The British Album Charts by Cliff Richard & The Shadows-Norrie Paramor & His Orchestra Saturday October 14th 1961 Columbia 33SX 1368 & 16 Original Tracks at E.M.I Records.
Added later issue alternative scans. Rear sleeve has a sticker (top middle) "Original Clear-Top The Ultimate Sound!". Hard to say if this is alien or an EMI "warranty" of the time.