I really liked your first two phrases. The second one played off the first very well. And from there, I could hear that same syncopated phrasing throughout. Using a repeated rhythmic or melodic phrase can be an effective way to give the listener something to follow.

As you repeat that rhythm or melody, however, it all needs to build. You can accomplish that through increasing the dynamics or widening the range or adding complexity to the harmony. In your solo, there was very little variation in any of these attributes. Listen to how little the dynamic range changed. Listen also that until the very end, there was very little chabge in the note range. The solo is basically staying within a pretty narrow range. You did a really good job ending the way you did by playing the highest notes of the solo and by using longer notes as variety. Nice.

One thing that would greatly improve your solo would be to relax into the time. Notice that your time tended to rush and be inconsistent. I believe that time and rhythm is the most important aspect of playing jazz well - more important that actual note choices. To demonstrate that, I took the liberty of playing over these changes, and I played the same notes as your first two phrases. Can you hear the difference in two aspects: 1. I relaxed into the time and, 2. my articulation was not as hard as yours. This last point will help you relax more into the time because by not hammering each note so hard, you can play lighter and find your way more easily into the time. This will help your swing feel. It's really hard to swing when you are attacking each individual note so hard, one after the other.

Listening to my solo, I added a third variation of the rhythm you set up in those first two phrases. Notice that after those first three phrases, how I resolved them. Phrase one, phrase two variation, phrase three variation, then resolve. On the second chorus, I changed up the rhythm entirely. On your solo, you kept playing variations on that syncopated rhythm. Instead, give your audience something fresh and new to follow. The last aspect of my solo to consider is that I played some 'effects' using the unique quality of the trombone to provide additional variety. While the trombone is a really difficult instrument to play jazz on (kudos to you for playing it!), it does allow for ways to express a unique voice on it - slide effects, pitch variations, etc.

Regarding your comments, 1. following the form of any tune just requires you to really know (hear) that tune well. In silence, can you image in your mind's ear, the changes and form? can you 'her' the chnages going by? Once you do, you won't get lost in the form. 2. I'm not sure what you meant by "more stylings", but if that means that you want more variety in your soloing, I've covered a lot of that for you here.