Offertories and Communions are melodically more simple. He wrote masses, litanies, offertories, antiphons, psalms and sacred cantatas. Eybler's main compositions were sacred music, including oratorios, masses, cantatas, offertories, graduals, and his requiem. Introits, like Offertories and Communions, are believed to have evolved from simpler reciting tones. Among his works are holy masses, offertories, duets, madrigals, litanies, motets and magnificat. Offertories at the principal Sunday services are donated to local charitable organizations. Offertories are sung during the offering of Eucharistic bread and wine.