Bing Crosby was a good entertainer back in the day, Steve Nash is a pretty solid hoopster, I don't know the Stills fella.
One would assume 4. But, if you break it down to fractions or decimals, it could be any number of 3+.
I will be celebrating by watching football on the 7th, something for my birthday the next day and a little something on the 14th. The rest of the month is open.