(In Medias Res.)
Can contribute to worship:
‘ These were the divisions of the sons of Aaron:
The sons of Aaron were Nab, Abihu, Elezar and Ithamar. – 1 Chronicles 24.1ff
The temple service was highly structured, but this did not hinder the Spirit of God. Rather, it provided an orderly context for worship. (Compare 1 Corinthians 14.40.) Sometimes we feel that planning and structure are unspiritual activities that may hinder spontaneity in worship. But order and structure can free us to respond to God. Order brings glory to God as we experience the joy, freedom, and calm that come when we wisely prepared in advance.