India, Sept. 20 -- Days after singer Zubeen Garg died in a scuba diving accident in Singapore, music composer Jeet Gannguli, his friend and collaborator, tells us, "With him gone, it feels like I have lost the soul of my music. It's extremely painful and difficult for me to believe it."

As he mourns the late singer, Jeet reveals to us, "We just spoke four days back, and he said, 'Once I am back, you come over to my Guwahati studio aur music banate hain.' Before leaving, he recorded his last song with me, Vidhi Re for the film She To Ajo Bojhena. I was just mixing the song yesterday when I got the news. Zubeen had told me, 'You complete the song, promote sath mein karenge'."

As he looks back on his decades-long friendship with Zubeen, th...