Lydia Alonso is known as a versatile cellist, and composer.

She performs in various venues and festivals across Europe including Santander International Festival, Pablo Casals Festival and Luigi Boccherini Festival. She has worked with producers and composers such as Youth, Ryan Martin, Rushil, Phil Braithwaite, and Greg Arrowsmith, and with artist such as Sarah Darling, Snow Patrol, Jenn Bostic, Matt Mitchell, Stealth, Tara Hack, Abi Sampa. She undertakes studio sessions at Abbey Road, AIR Studios, Angel studios. 

Lydia is director, co-owner and cellist of Halo Strings, a female string ensemble based in the UK. 

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Lydia is endorsed by RAT Stands, Thomastik-Infeld and Yamaha.