You are in good company when you sing a capella

 

The First Christians

The First Catholics

The first Protestants

If you take the number of people who have worshipped God over the last 2000 years of Christianity those who worship without instruments are by far in the majority. As recently as 100 years ago it was considered a troubling innovation by virtually every sect.

What does a capella mean?

Present day understanding

a capella: unaccompanied choral music

Historical understanding

a capella: italian - in the manner of a chapel choir