We use the King James Bible, since this was an accurate translation by scholars. Later versions have been developed by theologians with a bias to particular doctrines. The only condition was satisfied 2,000 years ago by Jesus Christ on the cross. Our works, including faith, cannot add to or detract from that glorious manifestation of His love. We will be in heaven because of God's love of us.
Baptism is by immersion.
All who desire are encouraged to take part. There were no musical instruments in the early Church and we see no need to add these instruments of entertainment. We do not teach the Old Testament practice of a ten percent tithe. That practice was used to support the Jewish priests and their overall government. These were not a part of the early Church.