Complex sentence: Noticed by songwriters Luigi Albertelli and Enrico Riccardi, he entered the competition at the 1973 Sanremo Music Festival with the song "Vado via"; the song ended in the last place but had a significant international success and launched his solo career.
Split into simpler sentences: Noticed by songwriters Luigi Albertelli and Enrico Riccardi, he entered the 1973 Sanremo Music Festival competition with the song "Vado via". The song ended in the last place but had a significant international success and launched his solo career.