I think it was "Space Lion" ; at the related link below there are a number of sound clips from the soundtrack if this answer is incorrect .
(If it was when Gren was dying in his ship on the way to Callisto , which is one of the moons of Jupiter , then I'm almost sure it was 'Space Lion' . Please let me know through the contact link - ok ? )
"Ganymede Elegy" episode # 10 .
Cowboy Bebop was created in 1998.
Shinichiro Watanabe created the anime series "Cowboy BeBop" (and Samurai Champloo) .
To watch "Cowboy Bebop the Movie" in its fullest quality and potential, it is recommended to support the company by buying the DVD, but to watch it online for free these are recommended: http:/www.watchcowboybebop.com/tag/cowboy-bebob-movie http://animethat.com/2007/cowboy-bebop-the-movie/ http:/www.animeshout.com/cowboy-bebop-the-movie.html You may also simply search "Watch Cowboy Bebop the Movie" in a web engine, and since it is so popular, many options are bound to appear. Or you can try the link below.
There are 26 episodes and an Anime movie. Also, they are in the "makings" of Cowboy Bebop: The Movie (starring Keanu Reeves).
It's called 'Cats on Mars.'
Episode 17: Mushroom Sambada
"Jupiter Jazz" part 2 ; Basically Gren reveals more about his past and his relationship with Vicious and Julia . There is a showdown between Gren , Spike and Vicious . (I really do not want to give the ending away .)
waltz for zizi
"Ganymede Elegy" episode # 10 .
Cowboy Bebop was created in 1998.
Music of Cowboy Bebop was created on 1998-06-03.
Cowboy BeBop with Keanu Reeves has a tentative release date of 2011 .
Yes , Cowboy Bebop: The Movie is available in Blu-ray .
Shinichiro Watanabe created the anime series "Cowboy BeBop" (and Samurai Champloo) .
There are no alien races in Cowboy Bebop (But in the Cowboy Bebop universe, and fan-fiction also; there are trillions of them (with hundreds of thousands of them in each galaxy)).
That depends on how YOU look at it. In my Opinion I like Cowboy Bebop, but that's just me.