Final answer:
Osvaldo's grandfather's daily activities related to music are not explicitly stated, but cultural context suggests involvement with Cuban music activities like dancing or listening.
Step-by-step explanation:
Based on the information provided, Osvaldo's grandfather's daily activity was not explicitly mentioned. However, we can infer some context about the musical backdrop of Osvaldo's cultural environment. The audio references music and dance, implying a strong tradition of musical expression within the community Osvaldo's grandfather might have been a part of. Given the cultural significance of Cuban influence on music and the communal nature of these dances, it is possible that Osvaldo's grandfather engaged in activities such as dancing to Cuban music or listening to music. Yet, without a direct reference to his specific daily activities in the audio, it is not possible to definitively state what Osvaldo's grandfather did every day.