There Are At Least Two Projects Called Illinois 1 Chilean Indie Rock Band From La Serena They Released Debut Album Called "Propulsor" In 2014. 2 Hailing From Bucks County PA Illinois Is An Indie/folk Rock Band With An Articulate & Engaging Sound. Boasting Catchy Keyboard Skills Sudden Surprising Banjo Licks & Handclaps Galore Their Witty Songs Waver Between Gloomy & Uplifting Mischievous & Delicate. They Formed In 2004 With Chris Archibald Handling Guitar Keys Banjo & Vocals Martin Hoeger On Bass & Backing Vocals Dru Lee On Guitar Keyboards & Backing Vocals & JohnPaul Kuyper On Drums. The Current Line-Up Consists Of.... Chris 'Arch' Archibald- guitar Keys Banjo Lead Vocals Martin Hoeger- bass Vocals JohnPaul Kuyper- drums Dan Pawlovich- guitar Keys Vocals Chris Shepherd- guitar Vocals