Martin plays the double bass and the singing saw. He has worked with artists, musicians, holy men and women, poets, sculptors, dancers and theatre companies - plus a magnificent herd of children. He continues to appear on many professional recordings and festival stages.

Collaborators have included:

• Hothouse Flowers
• P.J. Harvey
• Jacqui Dankworth
• Baaba Maal
• François Rabbath
• Alexei Sayle 
• Kíla
• Toumani Diabate
• Rhys Ifans
• Cleo Laine   
• Iarla Ó Lionáird 
• Danny Thompson
• Steve Cooney
• Pentangle
• Solas
• Sinéad O' Connor