Born in Umbria, Italy, of American parents, he lived in Todi and Florence until moving to New York City in 2008. Tatge is active in jazz, classical, new and improvised music. He has performed throughout Europe, South America, Japan, Canada and the U.S. in solo piano concerts, leading his groups or as a sideman.
Some of the venues and festivals he has played at include Musicus Concentus in Florence, Imprudences Festival in Paris, Wesleyan University, New York Winter Jazz Fest, New York Italian Institute, and Montreal Jazz Festival. He has also performed in New York clubs such as 55 Bar, Kitano, Smalls, Zinc Bar, The Owl Music Parlor, Korzo, Bowery Electric and Blue Note.
In 2009 Tatge released his first album as a leader, Mutable Enclosures, receiving excellent reviews in All About Jazz and Jazz Review. In 2012 he collaborated with multimedia artist Christine Meisner on Disquieting Nature, a multimedia project dealing with the landscape, history and music of the Mississippi Delta. The work was premiered live at the Haus der Kulturen der Welt in Berlin during Documentary Forum 2. The film was then screened in many prestigious museums and film festivals around Europe and the U.S. and was favorably reviewed in the New York Times. In 2014 Tatge recorded the album Borderlands with his band Last Call featuring Stefano Tamborrino, Francesco Ponticelli and Dan Kinzelman. The album was released in March 2015 for the Auditorium Parco della Musica label. In 2016 a second collaborative work with Christine Meisner entitled The Freedom Of was premiered at the Taipei Art Biennial in Taiwan. A new trio record entitled General Cargo featuring Pablo Menares and Nick Anderson was released in June 2018 by Brooklyn Jazz Underground Records.