I was curious about our most frequently sung list when I read this - here's the top 12 for 2010: 

Unchanging

Enough

Famous One

Hear All Creation

Here I Am to Worship

Jesus Messiah

Praise to the Lord, the Almighty

Everything We Need

Hosanna (Praise is Rising)

How Great is Our God

Take My Life and Let it Be

Your Name

Interesting!

Great defintion of worship!  Thanks Joyce.