[2] Hailed as "Asia's Soul Supreme" by various media outlets,[3][4][5][6] Tandingan is recognized as one of her generation's most celebrated Filipino artists.

She achieved international acclaim after participating in the most popular reality TV singing competition in China, Singer 2018.

[8][9] The following year, she made history as the first Filipino artist to stage a sold-out solo concert in Dubai World Trade Center Arena.

[5][10] Tandingan is also among the most successful artists on Billboard's Philippine Top 20 chart,[11] scoring multiple hits and has reached Platinum status for her sophomore album, "Soul Supremacy".

[15] KZ Tandingan started singing as a child but had to stop when she was in her junior year in high school after suffering from a throat problem.

[16] Tandingan was considered an early favorite after she performed a jazzy version of "Somewhere Over the Rainbow" in the fourth week of the Judges' auditions.

[2] On January 7, 2013, Tandingan entered the Himig Handog contest with the song entry called "Scared To Death", written by Domingo Rosco Jr.

The song was accompanied with a music video that was assigned as a project to be directed by University of Santo Tomas and premiered on February 2 in Myx Philippines.

The following year, she was announced as one of the eight contestants for the second season of Your Face Sounds Familiar along with Myrtle Sarrosa, Sam Concepcion, Cacai Bautista, Kean Cipriano, Denise Laurel, Michael Pangilinan and Eric Nicolas.

Her eventual elimination created a flurry of criticism from social media commentators and Chinese fans she had gained.

The singers staged their first team-up concert titled DIVAS Live in Manila on November 11, 2016, at the Smart Araneta Coliseum.

She shared the stage with some of the biggest artists in Philippines, including fellow ASAP Soul Sessionists Kyla, Jason Dy and Daryl Ong, her biggest rap influence Gloc-9, Malaya hitmaker Moira Dela Torre, singer Iñigo Pascual, and rapper Shanti Dope.

On October 31, 2018, KZ returned to the MOA Arena Stage, this time performing alongside Chinese singers Fish Leong, A-Lin, Faye at the PDMN "To Youth Nice To Meet You" Phil-Chi Star Concert.

[citation needed] On December 15, DIVAS returned to the Araneta Coliseum, staging a collaboration concert with the international R&B vocal trio Boyz II Men.