It's not necessary, but its always good to come prepared.
Churches greatly effected the size and subject matter of artwork. This is because many large structures created more room to put larger artwork in. This includes murals, which have become very common in churches and historical large buildings. Much of the artwork in these buildings show historical events and religious beliefs.
<span>This is called New Orleans Jazz Funeral music. It is characterized by somber, sadder music being played to begin and then after the intermet there is a change to very upbeat trumpet and jazz music. It is a custom in New Orleans and the band is usually composed of brass instruments in the form of a marching band.</span>