The group - called 'The London Cabbies' are releasing 1,000 CDs initially and are hoping to raise money for:
The London Taxidrivers' Fund for Underprivileged Children
London Taxi Benevolent Association for War Disabled
The Albany Taxi Charity Fund for Children with Special Needs
Southend Fund for Underprivileged Children
East London Cabbies
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In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The terror attack carried out by Khalid Masood at Westminster that left four people dead lasted less than two minutes say police.
Two knives were found at the scene in Islington, North London, and the suspects fled on foot before being arrested.