'' He sang for several years in Russia and made his operatic debut at
Iași,
Romania alongside tenor
Italo Campanini. He sang at many courts and the leading theaters in Europe, In London, he made his debut at the
Royal Opera House in 1873. He made an impression on
Maurice Strakosch, brother-in-law of the star soprano
Adelina Patti, who engaged him for his own company in 1873 and later took him to the United States. He also compiled a written work,
Progressive Exercises in Vocalization, divided into two parts—Exercises in Sustained Singing and Exercises in Flexibility and Execution. This work was advertised publisher Theodore Presser in
Etude magazine, but no copy has yet been found. Del Puente's final Met performance was February 2, 1895, in the role of
Don Giovanni, and his last stage performance was 1898 in Philadelphia in the role of Rigoletto. In addition to the more than 60 roles in his repertoire, Del Puente did a great deal of work as a concert singer. ==Voice and style==