Check for hidden data using steghide (common password: bach ).

Attempt to extract the archive. Many versions of this challenge are password-protected.

Use strings to look for readable text at the end of the file. Inspect the LSB (Least Significant Bit) using zsteg . Open the file in Audacity .

Brute-forcing if the hint suggests a simple word (like "bach" or "guitar").

A text file named flag.txt extracted from the image.

Looking for a in the archive (using 7z l -slt Bach_Guitar.rar ).