Why did electronic tape music not replace live instrumental performances?

Electronic tape music did not replace live instrumental performances because it became increasingly evident that there was no inherent reason for the electronic medium to eliminate the role of live musicians.1

While early composers explored the potential of the tape recorder as a unique medium, the experience of listening to music in an auditorium with only a loudspeaker often resulted in visual monotony. To address this, the tape recorder was increasingly integrated into ensembles as an additional instrument, rather than a replacement for performers. This evolution allowed for a more engaging concert environment and eventually led to the development of live electronic music, where electronic equipment is used to transform the sounds of traditional instruments in real time.1

Ultimately, tape was recognized as a tool that could be used alongside traditional performance rather than as a substitute for it, ensuring that the human element of live musical interpretation remained central to the concert experience.12