Luis Engelke is Professor of Trumpet at Towson University in Baltimore, Maryland, Principal Trumpet of the Kennett Symphony (Pennsylvania), and Associate Principal of the Lancaster Symphony (Pennsylvania). He performs more than one-hundred engagements annually as a soloist and orchestral/ chamber musician, serves as the Music Reviews Editor for the ITG Journal, Vice President of the Musicians' Association of Metropolitan Baltimore, and is a Yamaha Performing Artist.

Terry Ewell is Professor of Bassoon and Music Theory at Towson University. He is Past-President of the International Double Reed Society (IDRS) and former Principal Bassoonist with the Hong Kong Philharmonic. He maintains an active performance schedule with several orchestras in Maryland, and his educational online videos on YouTube and the IDRS website have been viewed or downloaded more than one million times.