...When punters started jeering, Winehouse snapped: "Let me tell you something. First of all, if you're booing, you're a mug for buying a ticket.
"Second, to all those booing, just wait till my husband gets out of incarceration -- and I mean that."
The Birmingham Mail newspaper's music critic Andy Coleman said it was "one of the saddest nights of my life".
"I saw a supremely talented artist reduced to tears, stumbling around the stage and, unforgivably, swearing at the audience," he wrote.
James Dyas demanded his money back, according to London's Evening Standard newspaper.
"She came on stage half an hour late. She managed four songs but was slurring her words and swaying all over the place," he said.
"She fell into the guitar stand and dropped the microphone -- it was atrocious. The song dedicated to her husband was so bad it was like swinging a cat round your head."
An, from Birmingham, commented on The Times newspaper's website: "Her singing was awful, out of tune and slurred. She sang for around 50 minutes -- drinking throughout.
"I have never seen so many people leave a show. 'Valerie' was my favourite song -- she massacred it!"
Pete Massera, from north-west England, added: "It was an absolutely atrocious gig. I, like many others in the audience, got our coats and left before she even finished the set."
Gary Atwell, from nearby Rugby, said "streams" of fans walked out, according to the BBC website.
"I went out for a sneaky cigarette half way through and at least 40 people left, just in that five minutes," he said.
"Valerie", the closing number, descended into chaos when Winehouse stopped singing, dropped the microphone and walked off stage. [Sexual chocolate! - - Fresh]
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CONTACT INFORMATION
Use don't abuse (ie. adding me to your site's mailing list). And for the love of God please stop sending mp3 files of your music. I am not Clive Davis and to be frank I probably don't want to hear the shit anyway. You should also know that I take my slow, precious time responding to email. And sometimes I don't respond at all. Fresh.crunkjuice@gmail.com
Fresh@myspace.com