Cotton is a fiber (from the cotton plant). Flannel is a finish or weave. Hence you can have flannel wool as well as cotton flannel - i.e wool made with flannel finish or cotton made with flannel finish. Hope this helops.
A very memorable song from Joni Mitchell that featured the line They paved paradise and put up a parking lot.. This best described places I remember growing up in Bloomington, MN in my teens where numerous places were torn down, most notably a restaurant I frequented that was replaced with a Park and Ride lot.
Dave wrote the lyrics that afternoon in the backseat of his Mercury convertible. We finished all vocals that afternoon and mixed it that evening. The song thereafter secured its place among rock music's most popular songs, and is now considered by some to be one of the most influential rock songs of all time.