Learn more about this composition. Sheet Music Earth Hour 2 – Sheet Music Was $57 – $62 Sale CAD British Pound (£) Canadian Dollar ($) Euro (€) United States Dollar ($) Solo composition for piano (optional fixed electronics at end) by Frank Horvat.Purchased PDFs will be sent to the email address provided at checkout within 1–3 days of your purchase. Pricing PDF Download: Score $57 PDF/WAV Download: Score and Optional Fixed Electronics Audio $62 Quantity Enter an amount