Ram and Hazut began producing music together after contacting on Facebook in 2014.[1] The first song they wrote together was "Af Achat Acheret" by Itay Levy.[1] That year, they wrote the Mizrahi-pop hit by Eden Ben Zaken "Malkat HaShoshanim", which peaked at number four on the Media Forest airplay chart.[2]
In 2015 they wrote the R&B hit "Yesh Bi Ahava" by Noa Kirel, which debuted at number six on the Media Forest TV chart.[2] In 2016 they wrote for Kirel another song called "Hetzi Meshuga".[3]
In May 2018 they won ACUM prize for Best Composers of the Year.[5]
In July 2019 they released their debut single as a production duo "Ach Sheli Mitchaten" featuring singer Mosh Ben-Ari, which peaked at number two on the Media Forest weekly chart.[6] In October they released another single, "Meusharim", featuring Noa Kirel and Liran Danino, which reached the top of the Media Forest weekly chart.[6]
In June 2023, Omer Adam released his seventh album, End of the World, which included the songs "DXB to TLV" and "Both Opposites" that Doli & Penn wrote and produced. That same month, Dudu Aharon released the song "To Touch the Skies" that Doli & Penn was written, composed and produced to celebrate his marriage proposal and upcoming wedding.
