This is the 4726th most frequent Portuguese word.
eletrônicas
"Eletrônicas" means "electronics" in English, relating to devices or systems involving electronic components.
Here, 'eletrônicas' is used as an adjective describing 'tecnologias'.
Eu gosto de tecnologias eletrônicas.
I like electronic technologies.
In this sentence, 'eletrônicas' describes 'músicas', showing a specific genre of music.
As músicas eletrônicas são muito populares atualmente.
Electronic music is very popular nowadays.
Here, 'eletrônicas' refers to 'máquinas', indicating machines powered by or utilizing electronic technology.