Buena Vista Social Club interpreta canciones clásicas del son cubano.
Explanation:
Buena Vista Social Club was a famous group of Cuba. They danced and played some music. Their style was to play classic songs like son cubano. The band was created in 1990.
So the missing word in the sentence is <em>"son cubano"</em>.
La inmigración fue muy importante en Cuba desde la hasta mediados del siglo XX.<em> Buena Vista Social Club interpreta canciones clásicas del </em><em>son cubano.</em>
