Lyndall trained as a repetiteur at Guildhall School of Music and Drama and the National Opera Studio. She has worked for numerous opera and theatre companies in the UK and abroad, including BBC Proms, Opera Holland Park, English National Opera, English Touring Opera, Buxton Festival and the Maria Callas Grand Prix.
Lyndall has broadcast as a soloist and accompanist on live and recorded television and radio in both the UK and Australia and works regularly as a coach and accompanist. She has appeared in recitals at venues including Wigmore Hall, St John Smith Square, Cadogan Hall, Sadler’s Wells and the Linbury Studio. Lyndall has also musically directed a diverse range of productions for chamber ensembles and theatres.