A character who selects Cantor as her secondary class gains the following secondary class features.
Deity: At 1st level, she must select a deity within one alignment step of her own. She gains the cantor's aura, bonus languages, code of conduct, and restriction from casting spells of opposed alignments. She also gains the cantor's spontaneous casting ability, which she can use with any “cast each spell you know once per day” casting classes that have the appropriate spells on their spell lists.
Score: At 3rd level, she gains the conduct composition class feature as a cantor equal to her character level, as well as the ability to compose a single score with an intro, a single melody, and an outro. Choose an intro, two melodies, and an outro whose prerequisites are met by a 1st-level cantor. She gains the chosen compositions.
Domain: At 7th level, she selects one domain her deity grants, gaining that domain's 1st-level granted power, treating her character level as her effective cleric level.
Improved Score: At 11th level, her score can now contain an intro, two melodies, and an outro. In addition, choose an intro, two melodies, and an outro whose prerequisites are met by a 5th-level cantor. She gains the chosen compositions.
Improved Domain: At 15th level, she gains the additional domain power of her chosen domain, treating her character level as her effective cleric level.
Superior Score: At 19th level, her score can now contain an intro, three melodies, and an outro. In addition, choose an intro, two melodies, and an outro whose prerequisites are met by a 9th-level cantor. She gains the chosen compositions.