Invitation Letter to Choir - On behalf of the leadership here at (name of church), I wanted to take this opportunity to invite you and your Choir. Now, first of all, our letter needs an introduction.Start your introduction with a polite and respectful greeting and introduce yourself. Greetings to you in the name of our Lord, Jesus Christ. I am directed to inform you about the proceedings of our Music Concert which is part of our Choir I wanted to extend to you an official invitation to join the. Waupaca Community Chorus for what promises to be an enjoyable and memorable 57th. Concert. The choir will be singing at every First. The pastor and choir coordinator sign the letter, encouraging attendance for a fun celebration in the Lord's presence. For complete information on the services outlined below, please see our Immigration Services page.