Peter Barber is an American bass-baritone and graduate of the prestigious Academy of Vocal Arts. Now, a recent graduate of the Marion Roose Pullin Studio at Arizona Opera, he finds himself taking his first steps into life as a full-time guest artist. While at Arizona Opera, Peter performed Basilio in The Barber of Seville, Count Capulet in Romeo et Juliette, Masetto in Don Giovanni, Colline in La Bohème, and King of Egypt in Aida. In the summer of 2025, he will be returning to the role of Basilio, this time with Druid City Opera. Shortly afterwards, Peter will be heading the Aspen Music Festival for a 2nd year as Renée Fleming studio artist. While in Aspen, he will be performing Don Alfonso in Così fan tutte, with Renée making her directing debut. He in Aspen, will also be performing his 3rd Colline, but this time alongside Matthew Polenzani as Rodolfo.
During his time at AVA, Peter performed numerous roles, including; the title role in Don Giovanni, Schaunard in La Bohème, and Prince Gremin in Eugene Onegin. In October of 2021, he made his professional role and company debut with Salt Marsh Opera, performing Escamillo in Carmen. In January of 2020, he made his professional debut with Pacific Opera Project, performing Amantio in POP's double-bill production of Gianni Schicchi and L'enfant et les Sortilèges. Also with POP, Peter was to perform his first professional lead role as Guglielmo in Così fan tutte, but the shows were cancelled due to COVID-19. Some of his other role highlights include: Bottom in Midsummer Night's Dream, Figaro in Le Nozze di Figaro, Stobrod/Blindman in Cold Mountain, Sarastro in The Magic Flute, and Don Alfonso in Così fan tutte. Peter was an Encouragement Award Winner in the Western Region Finals of the Metropolitan Opera Laffont Competition.

Outside of the opera world, Peter has grown a substantial audience on YouTube, surpassing 300,000 subscribers via videos with in-depth musical analysis of contemporary music, musical covers, and full-length conversations with voice professionals, many of which have achieved significant acclaim in their respective fields. Some guests include; Lisette Oropesa, Will Liverman, Janet Varney, Ekaterina Shelehova, Geoff Castellucci, Tim Foust, Simone Simons, Jonathan Young, Eric Whitacre, Lauren Paley, and Elizabeth Zharoff. He is also one of the founding members of a musical group called The Bass Gang (Bobby Bass, Peter Barber, Tomi P, and Marwan Ayman), which was formed during the pandemic, and consists of four bass singers that collaborated virtually from all over the world until August of 2023 when they convened in Brno, Czechia to shoot professional music videos for their 3rd studio EP. They have now released 4 EPs and numerous singles, amassing over 25 million views/streams between YouTube and Spotify alone.