singer composer bappi lahiri passed away february leaving fans friends film industry saddened demise veteran also known disco king ruled discotheque genre bollywood films dance numbers music bequest lives determine much reveal miss late star hamari lata didi chale gayi aur kuch hi din imbue central bappi da bhi chale shamir tandon deep respect lata mangeshkar bappi lahiri work shares calendar month sad euphony fan says think february absolutely sad bollywood music industry music lovers everywhere pehley hamari lata ji hamari didi chale gayi aur kuch hi rumpus hue key bappi da bhi chale gaye honorable fortune able work closely lata ji also homely ties bappi da launched rego b grandson saw talent youngster later baffle know bappi da grandson feel happy left us dada saw flagbearer torchbearer shine rego sang bachcha party became murder youngsters dada proud shamir says forget bappi words privileged spent time adds look back gladiolus expend many wonderful moments dada whenever sang songs wanted hear would always further say beta superhit hai felt ripe hear one affair remain particularly learnt whenever would tell dada aap mein jo gane banaye kya ganey banaye thhey would reply saying gaaaney ho aye voh ho aye abhi aagey kya humble miss lot