Horn Channel - YouTube educational videos from Ifor James (see below), Greg Cass, and others.
Ask the Pros - a monthly online advice column from the web site of the International Horn Society, written by such liminaries as Frank Lloyd, Dale Clevenger, Thomas Bacon, Frøydis Ree Wekre, Robert Ward, David Johnson, Michael Thompson, and Philip Meyers.
Member News - Posting by IHS members of masterclasses, workshops, etc.
John Barrows Masterclass, Mouthpieces & Geyers, Bore & Style, On Style & Hand Stopping - podcast - from the very first IHS workshop held at Florida State University in 1969.
Hermann Baumann Master Classes (1-6)
Barry Tuckwell - French Horn Lesson Part 1 - YouTube video. A lesson in Horn History: conch shells, cow horn, alphorn, hunting horn, horn in the orchestra [B.T. plays Telemann Concerto - opn the valve horn] . Italian subtitles! 9' 54"
Barry Tuckwell - French Horn Lesson Part 2 - continues the history lesson with demos: Inventionshorn, Beethoven Sonata (hand horn), Mozart No. 2 (valve horn), , 9' 38"
Barry Tuckwell - French Horn Lesson Part 3 - Mozart 2 (Mvt 2), Adagio & Allegro, Concerto Rondo 9' 45"
Barry Tuckwell - French Horn Lesson Part 4 - Concerto Rondo (cont'd), Mozart & Leutgeb, Mozart 1 I (valve horn) - complete with Mozart's comments (in the score), Mozart fragments, Bennett Sonata, 10' 01"
Barry Tuckwell - French Horn Lesson Part 5 - Britten's "Music for Tenor, Horn & Strings", Concert Rondo, 9' 03"
Ifor James Videos - the late, great English hornist talks about life, horn, and teaching horn.
NY Phil. Erik Ralske's Private Lesson - NY Phil 3rd Horn Ralske gives a private lesson on orchestral excerpts [YouTube video]
Videos using Breathing Devices.
Windsong Press offers a plethora of web videos of Arnold Jacobs demonstrating breathing devices on this web page, including:
-Air bags
-Breath Builder
-Inspiron
-Peak Flow Meter
-Triflo
-Variable Resistance Compound Gauge
-Voldyne
-Vital Capacity
Also:
-Mouthpiece rims
-Buzz aids
-Buzzing without a rim
-Away from the instrumnet
-Age/height
-On smoking