4-string D'Alegria Defender TB fretted bass.
Performance by Trevor Bolder, recording in April 2007 in the Chapel Studios (UK) with Uriah Heep for their upcoming studio album

Performance by Trevor Bolder, playing with Uriah Heep at The Magician's Birthday Party event at the Shepherd's Bush Empire in London, 2003

Performance by Trevor Bolder, playing with Uriah Heep at the MBTC in Brasília, Brazil, 2006