Fedora mp3 - internet radio - installing software

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Hello,

I recently installed Fedora core1 on a Vaio desktop. A
few issues I struggle with:

mp3
mp3's doen't play. So I ran yum from the command line
which took a long time dloading all packages. I also
ran 'yum install xmms-mp3' since I installed the xmms
mp3 player. After logout and login in KDE xmms loads
the mp3 file but when I want to play it the player
'runs' through it in 2 secs (song takes longer!), 
mp3 is enabled in it's Options-preferences-Audio I/O
Plugins menu.
All the  info (time, title) is displayed in the
player. But no audio.

b.t.w. I hear the system alert sounds OK so it seems
to be no soundcard issue.

Music PLayer:
Internet radio does not work - there are no internet
radio stations. Do I have to get that list myself?

Install software:
Installing software via terminal: sometimes the
installer does its work (Wine, Acrobat) but afterwards
I don't see the application anywhere or cannot get it
to run (Acrobat). Windows diplsays shortcuts / items
in the start menu. How does Fedora display options to
start newly installed software?

I guess these are pretty newbie q's but would be
grateful if anyone here could point me in the right
direction.

TIA, 

Marc

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