: You can stream the full version of "QUESTION" for free on SoundCloud .
While direct MP3 download links are often unreliable or legally questionable, you can find high-quality versions of the song through the following official or community platforms: 🎧 Where to Stream and Listen
The 3rd opening theme for Ansatsu Kyoushitsu (Assassination Classroom) is titled , performed by 3-nen E-gumi Utatan (a group consisting of the main voice actors).
: Season 2, Opening 1 (technically the 3rd opening of the series).
If you are looking for or instrumental versions, some creators provide downloads for these specifically, such as this Trumpet Sheet Music available on YouTube.
: Official and high-quality creditless versions of the opening are available on YouTube .