Spectrum a world music group of young talented musicians have tried successfully to blend various forms of Music keeping its grammar and repertoire intact. The collaboration was associated with such remarkable blending of various of forms that one becomes inseparable from the other and the combination evolves into a new dimension. Various instruments and vocal forms used in the group have their distinct flavor yet mingle into a glorified and rich musical combination which appeals the audience. The idea of Spectrum was developed by Arnab Bhattacharya, a Classical Instrumentalist from India – a Sarod Player who has set up a mark in the Indian Classical Music world. Spectrum has been a common name having its root in Kolkata ( Eastern India) and setting up its distinct mark by their performances all over. They have been rewarded by various distinguished musicians, audiences and organizers by their immense support and affection.