I would appreciate some feedback on these tracks

Hello. I would like to hear some feedback on these tracks I've made. Are they mixed well, or is there something that I could be doing better?

https://www.pond5.com/royalty-free-music/item/288539063-mysterious-scene-electric-jazz-piano-bass-and-drums-stinger

https://www.pond5.com/royalty-free-music/item/289940872-christmas-night-glockenspiel-and-percussion

https://www.pond5.com/royalty-free-music/item/289364229-creepy-feeling-halloween-harpsichord-and-glockenspiel-intro

Hi, I think this way your clips will look more attractive: