Ralph Nader (USA)

Featured Instructor


Blue Devils 2007, 2008, 2010 (Dual Gold Medallist)
Co-Creator – Disneyland Soundsational Parade
Blackfire Percussion

Ralph is a percussionist from Brooklyn, NY. He started his performing career in the Jackie Robinson Center “Steppers” Marching Band. Entertaining is his calling, and Ralph does it best with celebrities, sport teams and stadium events.

As a member of Black Fire Percussion, he performed with the NY Knicks and NJ Nets Drumlines during time-outs and halftime performances. While studying at Hampton University, Ralph was a member of the “Marching Force Drumline,” but, in the football off-season, Ralph performed and competed with the 18-time world champion Concord Blue Devils Drum and Bugle Corps from Concord, CA. With the Blue Devils, he was a 2-time World Champion gold medal and drum title winner.

After graduating from Hampton University, Ralph moved to California taking his innovative ideas and drumming flare to Disneyland, where he was a co-creator of the “Soundsational” Parade, Festival of Holidays’ Toy Drummers, and Food & Wine Festival’s Jammin Chefs.

Ralph’s Disney inventiveness and performances sparked European and South American tour opportunities with the German Reggae/Pop band “Seeed.” Performing with Seeed gave birth to the performing entity “BYOS.” Another smokin’ co-creation with Harvey Thompson, BYOS has become a social media sensation.

BYOS has put Ralph on the radar of Tony Royster Jr. (Jay Z’s former drummer), Allen Stone (R&B Soul artist), Travis Barker (Blink-182), and Beyoncé (her Coachella Festival concert) all of whom he has delivered spellbinding performances for!

Ralph is an international educator with a ProMark signature marching stick to highlight his popular achievements and is an artist for Ludwig Drums and Evans Drumheads.

Chelsea Levine (USA)

Specialist Instructor


Rhythm X
Spirit of Atlanta
Drum Spirit (Belgium)

Chelsea Levine is a renown cymbal technician and advocate across the United States, Europe, and Asia.

Chelsea performed with Rhythm X, Crossmen, Jersey Surf, United Percussion & Gateway Indoor. She is dedicating her post-marching career to the advancement of marching cymbals through education, Seavine, and founding The Cymbal Scholarship.

Since 2014, Chelsea has been a cymbal technician for Rhythm X. Other teaching accolades include Spirit and Colts Drum and Bugle Corps, Centerville High School, Western Carolina University, and DrumSpirit. She has also promoted the art of cymbal playing with clinics in the United States, Belgium, Poland, Lithuania, China, Thailand, and Australia.

In 2010 Chelsea founded Seavine, her company that offers high quality cymbal and hornline performance products such as The Cymbal Gloves. She founded The Cymbal Scholarship- assisting WGI & DCI cymbal players with their membership fees. Since 2012, Seavine has given away over $30,000 to marching cymbalists, fully funded by Seavine profits.

Chelsea is also the author and instructor of the Seavine Cymbal Education Series, a free video series and accompanying book on everything from absolute beginner to super advanced cymbal playing.

Outside of music, Chelsea is the co-founder of Teeq, an app company that revolves around giving video feedback. She currently resides in Nashville, TN with her super cool quad tech husband Thomas and their energetic dog Rachel.

Campbell Phillips

Lead Instructor


Top Secret Drum Corps
Blue devils international
Beijing Olympic Orchestra

With over 15 years of experience in the world of Drumline, Campbell is one of Australia’s premiere marching percussion educators . He has toured extensively all over the world including a 2015 tour with the Blue Devils International Drum Corps (the only Australian ever to tour with BD), a 2019 tour with the world famous Top Secret Drum Corps, and the 2008 Beijing Olympic Orchestra. 

As the Founder and Musical Director of the D²Drumline, Campbell has created one of Australia’s most highly regarded marching ensembles and led to the group to become the first call for every big event in the country – from AFL Grand Finals to TV appearances, festivals and educational events all over the Australia, D² have done it all!

Since 2012, Campbell has been the driving force behind the National Drumline Camp. His passion for music education has inspired countless young drummers and percussionists to explore the world of marching percussion and he has helped establish dozens of new drumline programs across the country.

Campbell is a proud to be an international artist for Pearl Drums, Zildjian Cymbals, Evans Drumheads, Promark Drumsticks, and is a ZOOM Creator. 


Harry Potocnik


Lead Snare – D²DRUMLINE
Top Secret Drum Corps
D² Education Team

Harry showed an affinity for music at an early age through studying piano at the age of 4 before beginning drums when he was 8 years old. When he reached high school, Harry’s love of drums expanded immensely as he was introduced to the wider world of Percussion at the beginning of High School.

In 2014, Harry participated in the Melbourne Symphony Orchestra Secondary Symphony program and was a member of the Victorian State Schools Spectacular Orchestra before beginning his tertiary studies as a candidate for the Bachelor of Music at Melbourne University.

Since embarking upon his tertiary studies, Harry has been highly active as a performer including roles with the Melbourne University Orchestra, the Melbourne University Percussion Ensemble, the Royal Melbourne Philharmonic Orchestra, and the Australian Ballet Conservatoire. Harry is the Lead Snare of the D2Drumline and part of the D2 Education Team. Since joining the group, he has written and arranged a number of charts for the line including a drumline arrangement of Ivan Trevino’s Catching Shadows.

In 2019, Harry performed with the world famous Top Secret Drum Corps (Switzerland) as part of an all-star international bass line selected from all over the world.