Jelly Cannon Main Theme

This is my transcription of the internet flash game known as "Jelly Cannon's" main theme. This game was created by a company called "MadFatCat", however its music composer is unknown. The theme itself is short and silly, and probably only took a few days to "compose".
I am a beginner. Suggestions on how to improve my transcriptions will be appreciated.
I used a program called "MuseScore" to create this concoction:
musescore.com/....
Here is a link to the game on "Kizi". (Please do not be alarmed by the abundant number of ads on the page) kizi.com/games/...
Instruments Used:
Bass Synthesizer
Bass Trombone
B♭ Clarinet
Drumset
Flexatone
Flute
Oboe
Piano
Slide Whistle
Timpani
Triangle
Vibraslap
Genre: Playful
Key Signature: E Major
Re-uploaded to fix key signature and time signature.
A Milo Transcription 2018. All Rights Reserved.

[@MrStanFungi]

I commend you for doing such a random, specific thing so that I don't have to

[@Misterchris2003]

Thx

[@ToonyKid]

What soundfont did you use?

[@TransitPerson]

Timbres of Heaven v3.4.

[@ToonyKid]

@@TransitPerson That’s cool. Do you take requests for compositions?