Woodwind Ensemble,Woodwind Quartet Alto Saxophone,Baritone Saxophone,Soprano Saxophone,Tenor Saxophone - Level 2 - Digital Download SKU: A0.839016 By Coldplay. By Chris Martin, Christopher Anthony Martin, Guy Berryman, Jon Buckland, Jonathan Buckland, Will Champion, and William Champion. Arranged by Kenneth Martin. Rock. 16 pages. Martin Music Editions #5209237. Published by Martin Music Editions (A0.839016). ÈKÓ (EKO) by Coldpay for Saxophone Quartet from EVERYDAY LIFESoprano saxophone, Alto saxophone, Tenor saxophone, Baritone saxophoneSongwriters: Christopher Anthony John Martin / Guy Rupert Berryman / Jonathan Mark Buckland / William Champion