'Fletch' aka Dr Karl Kennedy in Neighbours was on the show to perform in the Live Lounge.
Alan rated Jo's acting in Neighbours and when she dressed up and Mrs Mangel with Kylie.
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His band The Waiting Room are on tour in the UK and one of the guitarists, Tommy Rando, joined Alan at Radio 1.
Alan Fletcher performed 'I Got A Crush On Susan K' and a cover of Wonderwall.
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