Pentatonix (abbreviated PTX) are an American a cappella group from Arlington, Texas, consisting of vocalists Scott Hoying, Mitch Grassi, Kirstin Maldonado, Matt Sallee, and Kevin Olusola.

[17] For a local radio show competition to meet the cast of Glee, they arranged and submitted a trio version of "Telephone," the hit song by Lady Gaga and featuring Beyoncé.

He found out about The Sing-Off from another member of the group, Ben Bram (also their arranger, producer, and sound engineer), and was encouraged to audition for the show.

[20][21] Through a mutual friend, Hoying met Avi Kaplan, a highly recognized vocal bass in the a cappella community.

[28] Scott Hoying and Kirstie Maldonado dropped out of college in hopes of winning The Sing-Off, while Mitch Grassi skipped his high school graduation to audition for the show.

[32] In January 2012, having signed with Sony Pictures-owned label Madison Gate Records,[33] the group began working on their first album with producer Ben Bram.

[38][39] The group promoted the album through press appearances on Access Hollywood, VH1 The Buzz, Marie, and local television shows.

The group was also featured guests on Katie Couric (ABC), Home and Family (Hallmark), The Tonight Show with Jay Leno, and Big D NYE.

[51] The band went on their second national headlining tour from January 24, 2013, to May 11, 2013, and simultaneously wrote additional original material for their second EP, PTX, Vol.

In March 2013, Pentatonix and violinist Lindsey Stirling released their cover of the Imagine Dragons song "Radioactive",[57] and won for Response of the Year at the YouTube Music Awards.

[88] It marked a departure from the group's typical sound, focusing on covers of standards of rock, blues, country, and older pop music.

[92] On February 27, 2018, the group announced via their social media the upcoming release a new album titled PTX Presents: Top Pop, Vol.

[98][99] The EP contains Pentatonix covering Billie Eilish's "When the Party's Over", Dua Lipa's "Break My Heart", the Cranberries' "Dreams", The Weeknd's "Blinding Lights", and Clean Bandit's "Cologne".

The album focuses on celebrating different cultures during the holiday season, and includes new versions of songs previously released by the band plus four originals: "Kid on Christmas" with Meghan Trainor, "Star on Top", "Prayers For This World", and "Invincible".

The band went on their second national headlining tour from January 24, 2013, to May 11, 2013, and simultaneously wrote additional original material for their second EP, PTX, Vol.

[52][53][54] In 2014, Pentatonix undertook an extensive tour that included the United States, Canada, Europe and South East Asia.

The final leg of the tour began July 2, 2017, in Los Angeles and continued across the United States before concluding in Vermont on September 3, 2017.

The group also returned to The Sing-Off, performing their cover version of Ellie Goulding's "I Need Your Love" during the Season 4 finale episode, which aired on December 23, 2013.

[121][122] On November 27, 2014, Pentatonix participated in the annual Macy's Thanksgiving Parade in New York City, performing "Santa Claus is Coming to Town" on the Homewood Suites float.

[45][125] Pentatonix returned to The Sing-Off, performing a medley of songs from That's Christmas to Me during the Season 5 holiday special, which aired on December 17, 2014.

[128] On December 31, 2014, Pentatonix appeared as part of ABC Television Network's Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2015, performing from the Billboard Hollywood party hosted by Fergie.

[134] On September 1, 2019, Pentatonix performed a rainy, nighttime show at the 173rd Canfield Fair in Mahoning County, Ohio, for more than 8,000 people.

This set a "number of advanced sales," record for JAC Management Group, LLC since taking over Canfield Fair entertainment operations.

Pentatonix were presenters at the 2014 American Music Awards, introducing a performance by Jessie J, Ariana Grande, and Nicki Minaj.

Maldonado, Hoying, and Grassi appeared as members of a cappella groups in the Fox television show Bones, in the episode "The Strike In the Chord" that originally aired on May 19, 2016.

[139] They made a guest appearance on The Voice on November 24, 2016, where they sang their rendition of "Jolene" alongside Miley Cyrus and the song's writer and original performer, Dolly Parton.

The hour-long special aired on NBC and featured guest appearances by Reba McEntire, Dolly Parton and Kelly Clarkson.

After besting Grandmaster Flash as "Polar Bear" and Bishop Briggs as "Medusa" (who was saved by Nicole Scherzinger ringing the "Ding Dong Keep It On Bell") on "New York Night", they performed their own rendition of Radiohead's "Creep" in the quarter-finals and finished in third place during the semi-finals.

[144] Pentatonix also released a documentary about the group's journey titled "On My Way Home" (based on the original song of the same name from PTX, Vol.

The cast includes Pentatonix – Mitch Grassi, Scott Hoying, Kirstin Maldonado, Kevin Olusola, Matt Sallee and Nico Santos as the manager.