Mabellini composed in lots of different styles including operas, public, cantatas, vocal single functions, responsories, symphoniae, waltzes, fantasias, and other instrumental parts. Teodulo was the kid of a musical instrument machine and he examined with a get good at from the chapel in Pistoia and with Piloti and Gherardeschi the organists. He examined on the Instituo Musicale in Florence (1833) and in addition premiered his opera “Matilde e Toledo” for the reason that same season. With this function he gained a scholarship or grant from Grand Duke Leopold II which he utilized to visit Novara to become pupil of Mercadante. His most effective opera, “Rolla,” was stated in 1840 in Tuirn. By 1843 he was asked to carry out the Societa Filarmonica in Florence while four years afterwards he became the get good at from the chapel towards the court from the grand duke; afterwards, in 1848, Mabellini was the conductor for the Teatro della Pergola. In 1859 he was appointed towards the seat in composition on the Instituo Reale Musicale `L. Cherubini’. Meritorious for his compositional methods, Mabellini was a get good at of counterpoint and orchestration with an capability to compose well in several styles. Though these characteristics were outstanding, Mabellini’s works had been pedestrian and lacked any imaginative innovative genius. Apart from the opera “Rolla” the majority of his additional works have already been forgotten.