Complex sentence: During one of his returns to Buenos Aires, in 1977, formed "Aeroblus", since 1980 he stays definitely in Argentina and forms Riff, which is considered one of the most representative bands of argentine rock from the 1980s.
Split into simpler sentences: During one of his returns to Buenos Aires, in 1977, formed "Aeroblus". Since 1980 he stayed with Argentinan and forms Riff, which is considered one of the most representative bands of argentine rock from the 1980s.