[1] He also played with the London Symphony Orchestra and the British Chamber Music Players, and was the violist in many string quartets and ensembles in the first half of the twentieth century.
[5] In 1908, Lockyer, together with Tertis and fellow students Eric Coates and Phyllis Mitchell, gave the first performance of York Bowen’s Fantasie for Four Violas (Op.41 No.1).
[7] On 9 June 1911, at the Aeolian Hall, Lockyer, with Lionel Tertis, Eric Coates, Raymond Jeremy, Dorothy Jones and Phyllis Mitchell, gave the first performance of Benjamin Dale’s Introduction and Andante (Op.5) for six violas.
[8] In 1912, Lockyer was asked to lead the violas at the concert to celebrate the official opening of the new Royal Academy of Music building in Marylebone Road.
[21] Lockyer was the violist in the first London performance of William Walton's Quartet for Piano and Strings, on 30 October 1929, played in the Aeolian Hall by Pierre Tas (violin), James Lockyer (viola), John Gabalfa (cello) and Gordon Bryan (piano).