Ween! Outstanding songwriters/musicians/overall talented & funny guys. They are also the sh** live. I'd say their most "Pink Floydish" sounding album is "quebec"(2003). Here's a brief sampler of 3 songs that remind me a bit of Pink Floyd songs & yes they have a song called Zoloft which i've included here for obvious reasons:
www.ween.com
www.ween.com