They're all John Williams compositions from Star Wars movies (soundtracks). The first song is the Star War "main title" song, which has appeared in all the Star Wars movies in one form or another. ...

You seem to be referring to "Rockollection", performed by Laurent Voulzy and written by Alain Souchon. The Wikipedia article on "Rockollection" has an extensive listing (quoted heavily below) of the ...

See the "Overview" section of Wikipedia's "Cool jazz" article. Quoted here: Broadly, "cool" refers to a number of post-war jazz styles employing a more subdued approach than that found in other ...

There's definitely choreographed dancing that has been done to this music (witness http://youtube.com/watch?v=4fML73zVcTg and http://youtube.com/watch?v=h3R_lTxyhdE, which I found with a Google search ...

Try Musipedia's "melody search", at https://www.musipedia.org/, where you can use a few different methods to provide the melody in question (keyboard, "contour", microphone). The quality of results ...

That tune isn't familiar to me as an American, although I'm no folk music expert. So off to Musipedia I go. I used their "keyboard search" feature to do a search on your tune; as usual, ...

Comparing to the picture at http://www.pias.com/blog/daniel-miller-lifes-playlist/, the guy in the upper left appears to be Daniel Miler himself. He has the same nose, chin, lips, and earlobes, ...

SoundHound told me that it's "The Yearbook" by Pleaseeasaur, I guess with the loud beginning part chopped off:

I listened to the clip in question. I'm no dictionary of blues tunes, but the tune being played was not familiar to me. The clip was slightly less than two choruses of a basic 12-bar shuffle blues ...

Søs Fenger has a version that seems pretty simple & unadorned, although not unaccompanied: