The fourth album: #4 Louis Prima - The WIldest
The difference between this list and the song list comes down, in part, to where it starts. Rock only creeps into the songs list slowly, as so many more recordings appear earlier. Albums only started to become notable later, and so encountering Elvis on the third makes more sense, using a style that has already been established. Louis Prima's jazz was more '"your parents' music" - adeptly played, a lot of fun, but more one of the types of work than it would have been a decade or so earlier.
Just listening to the first song makes me happy enough, swinging enough to stay fun. Absolutely enjoyable, as does the band when they get let loose.There's a bunch of jazz, the feel of a big band and some hints of rock and roll. It's positive, not as harsh as rock could sound, but also refuses to sink into the background as other songs with the style can go.
A lot of this was recorded in a casino lounge, and it comes through. There are places where the songs sound loose and a lot of banter comes through, with the musicians egging each other on and encouraging each other. It sounds good, a lot nicer than something isolated and works for the style of the album and the tone it's trying to set quite well.