See the person, not just the playing
Every rehearsal has someone who is new and unsure, someone who is quietly discouraged, and someone who feels on the outside. You are close enough to spot them when the adults cannot. A leader learns to scan for those people and move toward them: sit next to the new person, ask the quiet one how they are going, welcome the one hovering at the edge.
The Scriptures put it simply: “encourage one another and build each other up” (1 Thessalonians 5:11). Building someone up is not telling them they are amazing. It is noticing a real thing, their improved intonation, their courage to keep going, the fact that they turned up, and saying it out loud.
Make it specific and make it theirs
What helps: be specific (“your entries in the last piece were really solid tonight” means more than “good job”), and be generous with credit that is not yours to keep. Celebrate other people’s progress more loudly than your own. A leader who is genuinely glad when others do well creates a section that wants to be together, and that is worth more than any solo.
Part of Your Leadership Development Guide.