Irish, Latin, Spanish , and even languages created by J. R. R. Tolkien . Enya has performed songs relating to J. R. R. Tolkien 's The Lord of the Rings , including 1991 's 'Lothlórien' and 2001's 'May It Be' (sung in English and Quenya ) and 'Aníron' (in Sindarin )—the last two appearing on