From 2017-2018, Susie was part of Biffy Clyro’s live band, writing cello parts for their MTV Unplugged album and performing extensively across Europe. Her arrangements have been performed in prestigious UK venues such as the Royal Albert Hall, Birmingham Symphony Hall, Camden Roundhouse, St. David’s Hall and Manchester Opera House, as well as abroad at venues including Paradiso (Amsterdam), Bataclan (Paris), Philharmonie am Gasteig (Munich), Teatro del Varme (Milan), Laieszhalle (Hamburg), DR Koncerthuset (Copenhagen) and Oslo Opera House.