Manfield has since signed a distribution deal with Sony Music Entertainment, and in March 2020, released her debut extended-play titled Daddy Issues, which has achieved over one million streams on Spotify.

At the age of eight, encouraged by her parents, Matcin began to approach music starting to take the first lessons of piano and violin.

She moved to Milan for university studies, earning the degree in management[8] and fashion business at the Istituto Marangoni.

There she is randomly stormed by photographers who publish her photos on various fashion sites; she is thus noticed by a well-known casting director who decided to work with her.

[10] Patricia Matcin thus turns into Patricia Manfield, making her surname sound more British,[11] and she started to collaborate as Brand ambassador and as fashion muse with the most important fashion brands such as Versace,[12] Patrizia Pepe[13][14] Fendi,[15] Calvin Klein,[16] Dior,[17] Alberta Ferretti,[18] Tom Ford, Adidas, Giorgio Armani and YSL.

[26] Despite the success in the fashion field, the main goal for Patricia Manfield is to be successful in music, during the years in fashion, she secretly started to write and record her own songs and started posting covers on her social media page, her cover of Bitch Better Have My Money by Rihanna received a repost by Harper's Bazaar and also receives a like from Rihanna herself.

[31] On 12 April 2018, she released her debut single Threads[32] which mix pop, electronic sounds; the song is written by Heir herself.

[33] On 26 April 2018, Love Song, the same period she was approached by Sony Music Italy with whom she will sign a distribution deal a couple of months later.

[35] On 5 June 2019, she released the official music video for Soundtrack, a short movie directed by Zack Bish inspired by the world of cyberpunk.

[36] In September 2019, during the Versace's fashion in Milan, she announced to the speaker of MTV the upcoming release of his debut EP titled Daddy Issues.

At the end of 2022, after leaving Sony, she started to work closely with the producer Duncan Boyce and songwriter Sean Walsh.

Among her main influences, in addition to Neapolitan song, there are also artists such as Lana Del Rey, St. Vincent, Nirvana, James Blake and Bon Iver.