IPA Source contains transcriptions and translations of arias, lieder and other solo pieces, including liturgical music, into the International Phonetic Alphabet (IPA). The purpose of the resource is to help teachers and singers with language comprehension and pronunciation. The database has collected 15,803 professionally translated and transcribed titles in French, Italian, German, Spanish, English and Latin. Works from 925 composers and 1,144 poets are represented in IPA Source.