In 2010 Tamsin took part in a writers' course at the Royal Opera House, Covent Garden. ‘The Singing Word’ was aimed at the developing the work of librettists and encouraging their collaboration with other opera practitioners, particularly composers on the parallel ‘Vox’ course. She was teamed with composer Evangelia Rigaki, and their short opera, ‘Professional Suicide’ premiered at the ‘Exposure’ showcase in the Linbury Studio Theatre, Royal Opera House Covent Garden, 3rd-5th February 2011.