location, subject, items, day/night, objects, people, places, things - anything that you see in the image
trumpet,horn,brass,instrument,score,music,musician,jazz,melody,funnel,still life,your name, band,concert (iffy)
then you can look up what kind of trumpet it is, maybe the type of music played as long as its not too far off, other names for this horn and so on. it depends on the scene.
---Mike Savad