Answer:
being exposed to music at an early age
Explanation:
Listening is a very important skill and everybody should listen properly to what others are saying or narrating.
In the context, the above excerpt is taken from a speech where a young singer narrates how he began singing and how he was saw movies with his father from childhood, especially the musicals and wanted to learn music and singing.
According to him, he used to sit with his father to see the old movies and musicals right from an early age. He loved watching the musicals and in this way he gained an interest in singing. So he was exposed to singing and music right from an early age. This is what he is grateful for for exposing him to music at young age.