2019–2020: Music career beginnings On 2 February 2019, Herrera released his debut album
Mi Vida en un Cigarro, with nine songs. Among them was his first renowned single "No He Cambiado" and other songs such as "Mi Vida en un Cigarro" and "El de la Chevy". Contacted by Jimmy Humilde that same year, he joined Humilde's record label Rancho Humilde, where he met labelmate
Natanael Cano, who is also a Mexican singer, with whom he collaborated on the single "Disfruto lo Malo" on his acclaimed album
Corridos Tumbados, which also includes "Ella", a song that Herrera had written by himself. In December 2020, Herrera released his second studio album titled
Atrapado en un Sueño, which features his most recognized songs such as its title track "Atrapado en un Sueño", "Mente Positiva" and "Jueves 10". The album was positioned in the top five of the
Billboard Top Latin Albums chart, marking Herrera's first chartings in any album chart. Later that year, on September 2, he would release two albums that same day, ''Cruisin' with Junior H
and Musica <3
, which contain 12 songs on each album. On December 18, together with Natanael Cano and Ovi, they released the album Las 3 Torres'', including 16 songs which feature artists such as
Snoop Dogg,
Ñengo Flow and
Snow Tha Product.
2021–2022: Further career On 12 February 2021, Herrera released
$ad Boyz 4 Life, with 16 songs, whose lyrics talk about love and heartbreak. In less than 24 hours, the album managed to position itself in the top spot of
Apple Music's Latin Albums chart. Some of his recognized songs from the album are "La Bestia", "160 Gramos", "Me Consume", and a cover of
Enanitos Verdes' hit single "
Lamento Boliviano". On 7 February 2022, he announced and revealed the tracklist of his seventh studio album titled
Mi Vida en un Cigarro 2, in reference to the name of his first album, which was officially released on February 11. Months later, Herrera announced that he was working on a new album, but it contained
Latin trap songs, which would be his first and only album of that genre, said Herrera himself. In October, he revealed the release date of his album, which would be 11 November, although days later he changed it to a later date that would be the official one, 23 November of that same year. At the end of 2022, the album would be released as
Contingente, which also consists of collaborations with other well-known artists such as
Alemán,
Big Soto, Ovi,
Paloma Mami, and Snow Tha Product.
2023–present: $ad Boyz 4 Life II In January 2023, Herrera released the single "Fin de Semana" with Oscar Maydon, which debuted on the
Billboard Hot 100 on number 86, making it both artists' first time appearing in the chart. In February, Herrera collaborated with Mexican musician and singer
Peso Pluma on "
El Azul", which marked both artists' first collaboration. Herrera and Peso Pluma became frequent collaborators and had collaborated on "El Tsurito", "
Lady Gaga," "Luna", and "
Bipolar". "Lady Gaga" had peaked at number one on the
Mexico Songs and
Hot Latin Songs charts, making this Junior H's first number one debut on both charts. On 7 July, Junior H collaborated with
reggaeton artist
Rauw Alejandro, on the song "Picardía", from Alejandro's album
Playa Saturno. In 14 September, he and norteño group
Grupo Frontera, released the single "En Altavoz", from the group's debut album,
El Comienzo. On 6 October, Junior H released his eighth studio album
$ad Boyz 4 Life II, in which Herrera refers it as "more of an accident" since there were supposedly going to be featured artists in the album. In 3 November, Junior H and
Grupo Marca Registrada released "Mafiosa", marking it both artists' second collaboration. On 13 November 2023, Junior H appeared on
El Alfa's album
El Rey del Dembow, on the song "Aqui Ta Smoke", alongside
Pop Smoke. == Artistry ==