Shubhdeep Singh Sidhu, known professionally as Sidhu Moose Wala was an Indian rapper and singer. He worked predominantly in Punjabi-language music and cinema. Moose Wala is generally regarded to have been one of the greatest Punjabi artists of his generation and to many, amongst the greatest and most controversial Punjabi artists of all time.Moreover, he was considered a key figure in opening the door to mainstream music for Punjabi artists.