When you come to sing on Sunday, you must be ready to sing. If you don’t have the opportunity to vocalize before you leave, you should be singing in the car on your way to church. Also, don’t make it a "practice" to stay out late on Saturday evening. "Early to bed" is a great motto in preparation for Sunday mornings.
BE ON TIME
This is absolutely critical – especially for Sunday mornings. It’s important on Thursdays, but essential for Sundays.
KNOW YOUR MUSIC
In any choir, this is important. But when we are singing for the King of Kings, it is not even an option. If you are unsure of a part, take your music home and review it. Even if you don’t have a piano, it will help tremendously to review your music.
This is very important. Because the choir sings a lot of music during the year, you must consistently review the various aspects of your music and the many different dimensions of being in the choir.
Spend time on Saturday evening preparing for Sunday morning. Let the words of the music live in your mind each day/week.