Sade Mangiaracina was born February 28, 1986, in Castelvetrano, in the Sicilian province of Trapani. She started classical piano at six under Franco Foderà in Trapani and Salvatore Spanò in Marsala, earned a solfeggio diploma at thirteen and a Harmony diploma at sixteen from the Conservatorio "A. Scontrino" in Trapani, and picked up competition wins along the way, including a UNESCO recognition after a concert at the Athens Conservatory at fifteen. After finishing classical high school in Castelvetrano, she moved to Rome to study jazz at the Percentomusica academy under bassist Massimo Moriconi, graduating in June 2007 with top honors, and went on to further jazz study at the Conservatorio Santa Cecilia with pianist Danilo Rea.

Her first album as a leader, Pure Songs (2009, Saint Louis Jazz Collection), was a co-billed duo project with vocalist Laura Lala; the same year, trumpeter Fabrizio Bosso appeared on Philosophy, credited to the Sade Mangiaracina Quartet on the Philology label, her debut under her own name with a working band. A second quartet album, ...Anche Le Briciole Hanno Un Sapore (2013, Urban 49), followed, presented at Rome's Auditorium Parco della Musica.

In 2016 she released La terra dei ciclopi, a solo piano record dedicated to her native Sicily, on Inner Circle Music, the US label run by saxophonist Greg Osby; trumpeter Luca Aquino, a fellow Discogs-confirmed collaborator from her own session work, guests on two tracks. Osby went on to produce her next album, Le Mie Donne (2018), her debut for trumpeter Paolo Fresu's Tǔk Music label, a trio record with bassist Marco Bardoscia and drummer Gianluca Brugnano that frames eight original compositions as portraits of women who faced down discrimination, among them Rosa Parks, Frida Kahlo, Malala Yousafzai, and Aung San Suu Kyi; Osby himself plays alto saxophone on three tracks, and oud and voice player Ziad Trabelsi guests on a fourth.

Madiba (2021, Tǔk Music), again with Bardoscia and Brugnano and again featuring Trabelsi on oud, is a song cycle tracing the life of Nelson Mandela, timed to its March 2 release date, the anniversary of Mandela's 1990 election as Vice-President of the African National Congress; Fresu is credited as executive producer. The trio's project was selected for I-Jazz's New Generation Jazz 2021 showcase for emerging Italian jazz acts. Her most recent record, the double album Prayers (2023, Tǔk Music), splits into two contrasting discs: the first a full-band setting with Bardoscia and Brugnano plus the Quartetto Alborada string ensemble, the second a sparer trio with trumpeter Luca Aquino and bassist Salvatore Maltana, again joined by the Quartetto Alborada. Prayers placed second, behind Michele Bonifati, in the "New Talent" category of Musica Jazz magazine's Top Jazz 2023 critics' poll.

Alongside her own records, Mangiaracina has worked as a sideman and sideperson across a wider range of Italian popular music, including a credited piano appearance on singer-songwriter La Rappresentante di Lista's single "My Mamma" (2021) and on a 2023 live recording by Ornella Vanoni; she also toured as a backing pianist for singer Amara at the 2015 Sanremo Music Festival and has been cited in press profiles as a touring sideperson for singer-songwriter Simona Molinari. None of these appearances are billed as jazz dates, and are noted here for a complete record rather than as part of her jazz discography. Separately, press profiles describe broader collaborations with trumpeter Fabrizio Bosso, bassist Giovanni Tommaso, and her former teacher Massimo Moriconi beyond the specific recordings above; these are stated as reported, without an independent recording credit confirming them.

Since 2017 she has also performed with Rome's Med Free Orkestra, a Mediterranean-and-world-music large ensemble founded in 2010 by Francesco Fiore, and during the pandemic years she took over as the group's artistic director and principal composer-arranger, one of very few women in Europe to lead an orchestra of this kind.

Mangiaracina's piano writing starts from a classical foundation, built through her conservatory training under Danilo Rea, and she has described her own approach as softening jazz's more angular edges rather than leaning into them, pairing technical command with an emotionally direct, melodic sensibility. Her catalog consistently reaches past straight-ahead jazz for material with a stated program: tributes to historical women on Le Mie Donne, to Nelson Mandela on Madiba, to her native Sicily on La terra dei ciclopi, and to spiritual and devotional themes on the two-disc Prayers. The last two albums bring in oud player Ziad Trabelsi and the Quartetto Alborada string ensemble, extending her trio sound toward the Mediterranean and North African idioms that also shape her work directing the Med Free Orkestra.