Trombone
To dream of a trombone represents making others feel that someone else needs you. Noticing someone else has a problem. You or someone else that is making it known that duty or guiding others is important.
Alternatively, a trombone may reflect not feeling good noticing other people's problems or feeling you have to stop what you're doing for someone else.
Example: A woman dreamed of seeing her husband playing the trombone. In real life she was happy to see how supportive her husband was of their son as they bonded while they bonded. The trombone represents the feelings