Why do we stand when we sing?

Nehemiah 9:5 - "Stand up and bless the Lord our God for ever and ever; and blessed be Thy glorious name which is exalted above all blessing and praise."

Why do we clap our hands?

Psalm 47:1 - "O clap your hands, all ye people; shout unto God with a voice of triumph."

Why do we lift our hands?

Psalm 134:2 - "Lift up your hands in the sanctuary, and bless the Lord."

Why do we have audible praise unto God?

Isaiah 12:6 - "Cry out and shout, thou inhabitant of Zion; for great is the Holy One of Israel in the midst of thee."

Why are musical instruments a part of the worship service?

Psalm 150:3-5 - "Praise Him with the sound of the instrument; praise Him with the psaltery and harp. Praise Him with the timbrel and dance; praise Him with stringed instruments and organs. Praise Him upon the loud cymbals; praise Him upon the high sounding cymbals."

Why does the whole church pray at once?

Acts 2:24 - "So when they heard that, they lifted up their voice to God with one accord and said, Lord, thou art God..."

Why do we anoint with oil and pray for the sick?

James 5:14 - "Is any sick among you? Let him call for the elders of the church; and let them pray over him, anointing him with oil in the name of the Lord..."

Why do we have speaking with tongues?

1 Corinthians 14:39 - "Wherefore, bretheren, covet to prophesy, and forbid not to speak with tongues."

Why do we sing in tongues and in English?

1 Corinthians 14:14-15 - "For if I pray in an unknown tongue, my spirit prayeth, but my understanding is unfruitful. What is it then? I will pray with the Spirit, and I will pray with the understanding also; I will sing with the Spirit, and I will sing with the understanding."