Her repertoire consists mainly of pop music with slight influences of neo-melodic in some of the songs composed for her by singer Gigi D'Alessio, but also in the fifth fusion albums Progetto B.
Since 1994, age 7, she began to take part in several shows in provincial and regional contests, collecting numerous placements, such as in 1999, where she placed second with "Minifestival della canzone" of Viterbo, which she won a year later.
In July, she took part at the XVII World Youth Day, playing Amazing Grace with Tiziano Ferro, Raf, and Antonella Ruggiero in Piazza San Pietro [1].
In 2003 Tatangelo at Sanremo Music Festival returns, this time in the Big, paired with Federico Stragà, with the song "Volere volare", signed by Claudioeg Bungaro and Claudio Passavanti.
In 2004 she was chosen by Disney to sing with Gigi D'Alessio in Il mondo è mio, the soundtrack of the animated film Aladdin.
In 2005, at eighteen, she participated for the third time at the Sanremo Music Festival with "Ragazza di periferia", a song written by Gigi D'Alessio with Vincenzo D'Agostino and Adriano Pennino.
On 23 September the same year she participates in an O'scià and Italian pop music festival conceived by Claudio Baglioni and, during the same month, is the third single from the album, Qualcosa di te.
For the fourth time in five years, participated in the 56th Sanremo Music Festival with "Essere una donna", a song composed by Mogol and Gigi D'Alessio.
The second single from the album, from 23 November, I know it will end, accompanied by a video shot in San Francisco during the American tour under the direction of Gaetano Morbioli.
The charity initiative called Friends for Abruzzo is the brainchild of Laura Pausini and involves other female singers of Italian music.
On 27 November 2009 he released QPGA, album Claudio Baglioni in which the song "Due universi" is sung in duet with Tatangelo and Gigi D'Alessio.
In 2010 the singer participates in as a judge, the fourth edition of X Factor: Anna Tatangelo is entrusted with the Women 16/24, driving with the help of Adriano Pennino as a vocal coach.
On 10 December 2010, with Valeria Marini and Gigi D'Alessio, publishes the compilation 3 x Te, project whose proceeds are intended to be donated to the associations Noi come voi, Doppia difesa and Amri In 2011 Anna Tatangelo is participating for the sixth time in Sanremo Music Festival with a song of which he is co-author, Bastardo, a rock ballad, with which it to the finals and is ranked ninth.
On 22 March the Mondadori publishes the autobiography of Anna Tatangelo "Ragazza di periferia, La mia piccola favola".
In 2012, Tatangelo was teamed with Stefano Di Filippo in the eighth season of Ballando con le Stelle (the Italian version of Dancing with the Stars), broadcast on Rai Uno and hosted by Milly Carlucci with Paolo Belli.
On 15 June 2012 Anna performed at the studios' Interlomas "of Mexico City as a guest in the concert Gigi D'Alessio singing "Un nuovo bacio" and "Lo so che finirà" in Spanish.