A few links worth giving a look. Most of these sites are about music, some of them are about philosophy or life style. All of them are about fun!

General
https://www.musicadvisor.com


Horn related sites
Horn Matters - French Horn and Brass Site for Teachers, Students and Players
Welcome to IHS Online


The Caruso technique
Carmine Caruso Tribute
"The Basic Caruso"

Brass topics 
grawlin.com
Brass Playing Articles - Music for Brass.com

Life style
The Slow Movement: Making a Connecti
Benefits of Music Education - Reasons to Play a Musical Instrument