is less likely to be the same composer or music director, as Bollywood films often go to great lengths to include lyrics of special significance and applicability to the film's plot and dialogue, and/or the words of highly regarded poets/lyricists set to music written specifically for such words in the film, as noted above. Bollywood film songs have been described as eclectic both in instrumentation and style. They often employ foreign instruments and rework existing songs, showing remarkable inventiveness in the reinvention of melodies and instrumental techniques. Bollywood film songs often tend to be accompanied by expensive music videos. Some are among the most expensive music videos of all time. The most expensive Indian music video is "Party All Night" (for the 2013 film Boss), which cost () to produce. Adjusted for inflation, the most expensive Indian music video was "Pyar Kiya To Darna Kya" (for the 1960 film Mughal-e-Azam), which at the time cost more than (), equivalent to () adjusted for inflation. Genres M.P. Dance Hindi dance music encompasses a wide range of songs predominantly featured in the Bollywood film industry with a growing worldwide attraction. The music became popular among overseas Indians in countries such as South Africa, the United Kingdom and the United States and eventually developed a global fan base. Disco In the Indian subcontinent of South Asia, disco peaked in popularity in the early 1980s, when a South Asian disco scene arose, popularised by filmi Bollywood music, at a time when disco's popularity had declined in North America. The South Asian disco scene was sparked by the success of Pakistani pop singer Nazia Hassan, working with Indian producer Biddu, with the hit Bollywood song "Aap Jaisa Koi" in 1980. Biddu himself previously had success in the Western world, where he was considered a pioneer, as one of the first successful disco producers in the early 1970s, with hits such as the hugely popular "Kung Fu Fighting" (1974), before the genre's Western decline at the end of the 1970s led to him shifting his focus to Asia. The success of "Aap Jaisa Koi" in 1980 was followed by Nazia Hassan's Disco Deewane, a 1981 album produced by Biddu, becoming Asia's best-selling pop album at the time. In parallel to the Euro disco scene at the time, the continued relevance of disco in South Asia and the increasing reliance on synthesizers led to experiments in electronic