All the Trees of the Field Will Clap Their Hands Lyrics

Lyric discussion by Raving Lunatic 

Cover art for All the Trees of the Field Will Clap Their Hands lyrics by Sufjan Stevens

I'm clueless as to what the first three lines of both stanzas refer to. "Mine is about as good this far"? "I heard from the trees a great parade"? "Will I be incited to the sound?"? Does anyone know what any of this means?