"Although scholars have detected a gradual narrowing in the geographic and genre purview of Lokananta's recording and marketing strategies, considering this to be at odds with its status and purpose as a national recording company, the introduction of audiocassette recording technology in the 1960s gave rise to a robust industry of recorded music.In the 1970s, oil wealth and the relatively unrestricted import of cheap tape and recorders led to an extraordinary boom of the Indonesian cassette industry.