How can I open Lumi's song <E>

[padmoonyfoot]

After defeating her dad I failed to open that downloaded file on her website

[Doctor Shinobi]

You don't open it. You need to give it to Lumi like you did with the other files

[evanldavis2013]

if you mean listen, then show file extensions, change the ".bytes" part to ".wav", and open it.