In 2002, Indranil Sen recorded an album 'Tumi Gan Gaile', which contained 8 songs. Sanjay Das arranged the instrumental music with some session musicians. Kabir Suman said a little speech in the middle of the title song. Complete lyrics were printed in album cover. It was his first collaborative album as 'Kabir Suman', and also his first collaborative album which was published as both cassette and CD. In 2006, another album published named '13', which contained 13 songs, where Suman sang with Sabina Yasmin. Some songs were sang by Suman, some by Sabina, and some as duet. Among these, one song was written and composed by Rudra Mohammad Shahidullah. The entire instrumentation was done by Suman. Some songs were accompanied with guitar and harmonica, other songs were by electronic keyboard, and some were mixed with both electronic keyboard and guitar. Complete lyrics were printed in album cover. It was his first collaborative album, which was recorded digitally and instrumentations were mixed by software sequencer like Reason, Samplitude, and Nuendorum. It was his last collaborative album which was published as both cassette and CD. One song was previously published in 1994. In 2010, Sabina Yasmin recorded an album 'Suprobhat Bishonnota', which contained 10 songs. The entire instrumentation was done by Suman. Some songs were accompanied with guitar and harmonica, other songs were by electronic keyboard, and some was mixed with both electronic keyboard and guitar. It was his first and till now the only collaborative album, which was published only as CD. A very sharp ear can listen a humming sound in the end of some songs, it was due to 14 Kilohertz crosstalk signaling. In some songs, background noise was also born, and to depress it, over-noise-reduction happened in some tracks. Motion picture soundtrack from 2009 In 2009, Kabir Suman returned again to Bengali film industry as a music director after a long gap. In this year, he wrote, composed, sung, and instruments played in a Bengali film 'Diet', which contained 3 songs. Here Suman played his guitar, electronic keyboard and all instrumental sounds were mixed by him. Two songs were sung by Suman, one by Sabina Yasmin. Background score was also done by Suman. Unfortunately the motion picture became flop, and there was no release of its soundtrack album. The movie was released at the time when he was elected as MP. 2014 was the greatest year of Suman