Pianobar is part of [community] upstream so no need for it in aur.

aur/pianobar/PKGBUILD

@@ -1,25 +0,0 @@
-# Maintainer: Mitch Bigelow <ipha00@gmail.com>
-
-pkgname=pianobar
-pkgver=2012.06.24
-pkgrel=0
-pkgdesc="console-based frontend for Pandora"
-url="http://6xq.net/projects/pianobar"
-arch=('arm' 'i686' 'x86_64')
-license=('MIT')
-depends=('libao' 'faad2' 'libmad' 'gnutls' 'json-c')
-source=(http://6xq.net/projects/pianobar/pianobar-$pkgver.tar.bz2)
-sha256sums=('a80307dcfc8786c28d6025f54820664eca0cf26f888bd608c95d486762f908aa')
-_builddir="$pkgname-$pkgver"
-
-build() {
-    cd "$_builddir"
-    make
-}
-
-package() {
-    cd "$_builddir"
-
-    make DESTDIR=$pkgdir PREFIX=/usr install
-    install -vDm644 COPYING "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
-}