Problème dépendance installation

Bonjour ,

J'aimerais installer amarok sur ma debian stretch mais j'ai un problème de dépendances.
Voilà ce que j'obtiens:

apt-get install amarok
 

Reading package lists... Done
Building dependency tree      
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 amarok : Depends: kde-runtime (> 4:4.10) but it is not going to be installed
          Recommends: kio-audiocd but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
 

J'ai du faire une bêtise .. Voici mon sources.list

deb http://ift.tt/z3CdSe stretch main
deb-src http://ift.tt/z3CdSe stretch main

deb http://ift.tt/A2rwP6 stretch/updates main
deb-src http://ift.tt/A2rwP6 stretch/updates main

# wheezy-updates, previously known as 'volatile'
deb http://ift.tt/z3CdSe stretch-updates main
deb-src http://ift.tt/z3CdSe stretch-updates main

deb http://ift.tt/z3CdSe stretch contrib non-free

deb http://ift.tt/KcDvPQ stretch main non-free

# Backports repository
#deb http://ift.tt/jjUy6D stretch-backports main contrib non-free

#### unstable #########
#deb http://ift.tt/1dOYERD unstable main contrib non-free

 

Problème dépendance installation