Determine the valence intensity of the following tweet, considering the mental state of the author. Assign a real number between 0 and 1, where 0 denotes extremely negative and 1 denotes extremely positive.
Tweet: Rockin to  Bob Dylan singin'  Bob Dylan's 115th Dream on LPCO Klassic Rock #classicrock #klassicrock #rocknroll #blues #onlineradio
0.661