: Files ending in .rar from unknown sources can sometimes contain malware. Ensure you downloaded this from a reputable educational site.
: Always run a virus scan on extracted content before running any executable ( .exe ) files that might be inside. Do you have Part 1 of this specific lesson, or
: A high-quality video file (MP4 or AVI) demonstrating specific techniques or songs.
: Multipart files are usually similar in size. If Part 2 is significantly smaller (e.g., only a few KBs), it might be the final piece of the archive.