1) The document discusses the various media technologies used at different stages of creating a music video project, including a digital camera, Photoshop, Adobe Premiere Pro, YouTube, and Tumblr.
2) Adobe Premiere Pro was used for editing the video, while Photoshop was used to create promotional materials and YouTube aided with learning how to use the software.
3) Research was conducted using YouTube to view other music videos and gather inspiration, and Tumblr was used to document the planning and creative process.