1. Henning Schmiedt's Website: Henning Schmiedt is the German composer who wrote the piano piece "Explosive". His website hosts the sheet music and MIDI file for the composition, which you can purchase and download for a fee.
2. Sheet Music Direct: Sheet Music Direct is an online platform that sells sheet music and other music education resources. They offer the sheet music for "Explosive" by Henning Schmiedt in PDF format, which you can purchase and download.
3. Musicnotes: Musicnotes is another online retailer of sheet music and music products. They provide the sheet music for "Explosive" by Bond as a digital copy that you can download, print, and play.
4. Local Music Stores: Check local music stores in your area that sell sheet music. Some stores may carry a wide selection of classical piano music, including pieces like "Explosive" by Bond.
5. Public Domain: If "Explosive" by Bond is a public domain composition, you may be able to find the piano sheet music for free from online sources such as the International Music Score Library Project (IMSLP) or Mutopia Project.
However, please note that the copyright status may vary in different countries, so do ensure you respect any copyright laws or licensing requirements before using the sheet music.