You can hear alot more of Now with the main vocals taken out. Serious props go out to Taylor for pulling off a song like this.
Edit- Saturday Night Live is having their artist suggestion day again so go nag at them to get Paramore on their show
Details http://www.nbc.com/saturday-night-live/b
Tweet at them at @nbcsnl and use the hashtag #SNLMusic. Make sure you retweet the original tweet about it
You can also pester Saturday Night Live on the Facebook page about the suggestion day too https://www.facebook.com/snl/posts/52915