This meaning refers to the act of providing musical support to a singer, typically through instrumental music or harmony.

This usage emphasizes the role of supporting a singer during a performance, often adding depth to the music.

Here, it signifies providing emotional or moral support to someone, particularly in the context of performing arts.

This meaning implies a repetition or a supportive response to someone’s singing or speaking, reinforcing their message.

This expression describes joining in a conversation or performance, especially when adding harmonies or participating in a melody.