I am adding songs to my collection. I add about 50 songs. Then all of a sudden I have over 100 songs in my list. I review the songs and somehow Pandora has added the same 50 songs to my playlist a second time.  I have to delete my entire collection and start again. I have done this 4 times and it happens every time.  I just signed up for Pandora and I am about to quit it.  In addition, it allows me to add duplicates to my collection. NO OTHER AUDIO STREAMING SERVICE ALLOWS THIS!    Pandora, you are about to lose a customer because of poor programming.    Is there any way to fix this issue?   ... View more