Freeware - 1208 Audio Reviber VST

https://1208audio.com/downloads/reviber/

2 Knob Exciter/Enhancer
Mid/Side processing
It’ll Revibe damn near anything
Free & donation versions are the same.
Donations are optional & appreciated
Windows 32 & 64 bit VST2 / VST3 plugin

Freeware - Room Sound Jay Maas Signature Series Drums LITE

https://www.roomsound.com/products/jaymaas/

LITE Edition includes the following limited features:
 7 total kit pieces (1 kick, 1 snare, 2 toms, 1 crash, 1 ride, 1 pair of hats)
12 channel mixer featuring
9 studio-quality effects and 4 reverb programs
Fully customizable keymap for easy integration with other drum software or electronic drum kits
FREE Kontakt Player compatible!

11 Tips for Better Mastering Results

https://theproaudiofiles.com/11-tips-for-better-mastering-results/

7 Essential Compression Tips

https://blog.native-instruments.com/7-essential-compression-tips/

Compression is one of the most indispensable tools available to today’s producers, enabling instruments and vocals to become punchier, louder and more consistent, often exerting a positive ‘analog’ influence on the character of a sound. Thanks to the power and affordability of today’s virtual effects, maintaining a library of quality compressor plug-ins has never been easier, and there are hundreds out there to choose from

Tips for Gluing Together Acoustic Drums with Sampled Drums in a Mix

Ride Cymbal Shootout – with Sound Samples

https://www.sweetwater.com/insync/ride-cymbal-shootout-with-sound-samples/

In order to preserve all the transients of the cymbals, we didn’t use any dynamic compression or limiting, so put on your best headphones or crank up your speakers and listen to the sonic intricacies of these beautiful cymbals.

Eightminutesupsidedown - The Samples

https://www.youtube.com/user/dcvafm

A YouTube Channel highlighting the samples used in popular songs.