Witness by Katy Perry - Metacritic     NME - 80%   The Guardian - 80%   Entertainment Weekly - 75%   Rolling Stone - 60%   Slant Magazine - 60%   Consequence of Sound - C (50%)   The A.V. Club - 42%   The Telegraph (UK) - 40%   Los Angeles Times - 40%   AllMusic - 40%   The Independent (UK) - 40%   Spin - 30%   INELIGIBL