 However, around 1025 he attracted the hostility of the other monks at the abbey who resisted his musical innovations, prompting him to move to Arezzo, a town which had no abbey, but which did have a large group of cathedral singers, whose training Bishop Tedald invited him to conduct.While at Arezzo, he developed new techniques for teaching, such as staff notation and the use of the "ut–re–mi–fa–sol–la" (do–re–mi–fa–so–la) mnemonic (solmization).The ut–re–mi-fa-sol-la syllables are taken from the initial syllables of each of the first six half-lines of the first stanza of the hymn "Ut queant laxis", whose text is attributed to the Italian monk and scholar Paulus Diaconus (though the musical line either shares a common ancestor with the earlier setting of Horace's "" ("Odes" 4.11), recorded in the Montpellier manuscript H425, or may have been taken from it).