Following as a rock group emerging from Dhaka's underground music in the late 1990s, they were distinguished for their extended psychedelic and progressive compositions, multi-instrumental experimentation, and philosophical lyrics and became one of the leading band of the Bengali progressive rock genre.

Zia became the primary lyricist and thematic leader, devising the concepts behind the albums Jahaji (2004), Icche Ghuri (2006), Bondho Janala (2009) and Shironamhin Rabindranath (2010).

Later they produced six non-album singles "Jadukor" (2017), "Boheimian" (2018), "Barud Shomudro" (2018), "Ei Obelay" (2019), "Cafeteria Periye" (2020) and "Kashfuler Shohor Dekha" (2021).

[1] Ziaur Rahman was acquainted with Jewel while studying architecture at Bangladesh University of Engineering and Technology.

[4][5] In the beginning, they used to serve in the University of Dhaka campus, TSC, Madhur Canteen, Hakim Chattar, Arts Cafeteria and nearby crowded places.

[7] On the Pahela Baishakh in 1997,[8] they performed for the first time under the name of Shironamhin, organized by the Padatik Nattya Sangsad at the TSC auditorium of the University of Dhaka.

[6] A few days later, Shironamhin performed in front of a large audience at Bakultala of the Faculty of Fine Arts, University of Dhaka.

Being an expert in Rabindra Sangeet and Nazrul Geeti, Bulbul left the group in 2000 as he could not adapt to the band.

[11] In 2003, Farhan Karim (sarod), Yasir Tushar (guitar) and Kazi Ahmad Shafin (drums) joined the team.

Shironamhin, tried to portray the usual daily life and elements from middle class career seeking young sailor of a Bronx.

Jahajee was the only album from the band Shironamhin that was refused and rejected by every known record label company of Dhaka.

Shironamhin just wanted the listeners to get the message with their own understanding and draw the images or characters with own personal fantasy.

It is based on a moment someone entering into his campus cafeteria and feel two silent eyes among so many noise and fumes around from the cafe gossiping.

Lyrically the band Shironamhin tried to work on their already established genre of urban life talks with some bigger aspects and along with historical events or movements.

[14][5] The fourth album Shironamhin Rabindranath was a risky task for the band, which is basically a collection of Rabindra Sangeet.

[18] With the help of Swarabitan published in 64 volumes, the main words and melody of Rabindra Swaralipi have been kept correct.

[17] For this album they use Brazilian rainmaker, Egyptian darbuka, Irish tin whistle and Scottish Bodhran.

[25] A music video of the song "Abar Hashimukh" directed by Tanim Rahman Anshu, starring 2007 Miss Bangladesh beauty pageant titleholder Jannatul Ferdoush Peya.

[26][27] The album strives to compile their confessions, demands, rage, hopes and anticipation to invite new light through the old windows of the untitled past.

From the lyrical point of view, the album is more specific on topic, searching the positive sides of negative living.

The album recalled all the members and persons who worked for the band once and forever, expressed their gratitude to those who carried Shironamhin to their journey and dedicated their songs to the listeners whom they comfortable to call friends.

[21] In 2017, lead vocalist Tanzir Tuhin became embroiled in controversy,[29][30] and left the band on 7 October.

[3][31] At the moment Tuhin left the band, vocal went through the process of searching for the title through multiple headless auditions.

According to the 2019 Copyright Office, the founding member of the group, Zia, was the lyricist and composer of Shironamhin' songs.

[49] Shishir, the guitarist of the rock band Aurthohin, also performed guitar as a guest artist in the music video.

[50] Their latest music video titled "Kashfuler Shohor Dekha" released on 7 May 2021, directed by Naimul Banin.

[51] Composer and music director Bappa Mazumder and actress Quazi Nawshaba Ahmed are featured in special roles in the video.

In an interview with the BBC in 2011, Tuhin said that Shironamhin's songs have a sense of life and philosophy rather than love or separation.

On 26 April 2019, the song "E Raat E" was released with lyrics and melody by Zia for the film Amra Ekta Cinema Banabo directed by Ashraf Shishir.