MFISD Band Directors

Marble Falls High School Directors

Anthony Leflet
​Director of Bands
Low Brass Specialist
​ALeflet@mfisd.txed.net

The 2022-2023 school year marks Mr. Leflet's 28th year in public school music education.  Mr. Leflet currently serves as the Director of Bands at Marble Falls High School and is starting his third year of teaching in Marble Falls I.S.D.  His job responsibilities include teaching the Mustang Marching Band, High School Wind Ensemble, High School Non-Varsity Jazz Band, all Beginning Low Brass classes at Marble Falls Middle School and co- teaching all other secondary instrumental ensembles. 

Mr.Leflet Received his Bachelors Degree in Music and Masters Degree in Music Education from Southwest Texas State University. During his time at SWTSU Mr.Leflet was involved with many ensembles including the Wind Ensemble, Jazz Ensembles, Trombone Choir, and Orchestra to name a few.

On a personal note, Mr. Leflet just celebrated his 28th wedding anniversary with wife Yarda.  They are the proud parents of two boys, Jack (19) and Jonathan (15).  Both boys attend school in M.F.I.S.D.

Brandon Sinde
Associate Director  
High Brass Specialist
​BSinde@mfisd.txed.net

Brandon Sinde is the Associate Director at Marble Falls High School in Marble Falls, Tx. Mr. Sinde is in his 9th year of teaching and has spent them all at Marble Falls High School. Mr. Sinde serves as the director of the Varsity Jazz Ensemble and the Non-Varsity Concert Ensemble. He also helps co-direct the Wind Ensemble and the Mustang Marching Band where he serves as the Marching and Visual Instructor. Mr.Sinde team teaches at Marble Falls Middle School where he teaches Beginning Trumpet, Beginning Horn and assists with all three Middle School Concert Ensembles. During his time at Marble Falls High School Mr. Sinde was the recipient of the Inspiring Teacher of the Year Award in 2018. 

Mr.Sinde received his bachelor's in Music Education and Trumpet Performance from Tarleton State University in Stephenville, Tx. Mr.Sinde had the privilege of studying under Dr. Brian Walker, Dr. Bob Johnson, and Dr. Cara Pollard. During his time at Tarleton State University Mr.Sinde was a 5 year member of the Sound and the Fury Marching Band and served as Trumpet Section Leader for 4 years. Mr.Sinde was also a member of the Foul Play Basketball Band, Wind Ensemble, Symphonic Band, and Jazz Ensemble 1.

​In his free time Mr.Sinde enjoys spending time with his Wife Olivia and dog Navi, playing Disc and Regular Golf, playing video games, and cooking. 

​Mr.Sinde's Professional affiliations are TMEA, TJEA, ATSSB and the Phi Mu Alpha Sinfonia Music Fraternity of America. 

Marble Falls Middle School Directors

Courtney Mantle
​​Head Middle School Director
​Woodwind Specialist
CMantle@mfisd.txed.net

Ms. Mantle will be starting the 2023-2024 school year as the new Head Middle School Director at Marble Falls Middle School. Originally from Tulsa, Oklahoma, she graduated Summa Cum Laude with a bachelor's degree in Music Education from the University of Oklahoma. During her time at OU, she had the privilege of studying under William Wakefield, Brian Britt, Valerie Watts, and Christopher Baumgartner. She performed in various ensembles including the OU Symphony Orchestra, Wind Symphony, Pride of Oklahoma Marching Band, and community ensembles including OU New Horizons Band, musical theatre, and opera productions.


Prior to her arrival at Marble Falls ISD, she has worked in various districts across the state of Texas, including Round Rock ISD and Pflugerville ISD in the Austin area, and Clear Creek ISD in the Houston area.


This will be Ms. Mantle’s sixth year in public school music education. Her teaching responsibilities include conducting the MFMS Wind Ensemble, Concert Band, and assisting with the Symphonic and Jazz Bands. She teaches Beginner Flute, Oboe, Bassoon, and Clarinet, and team teaches and assists with all other beginner classes. Ms. Mantle is excited to join the Marble Falls community and provide an enriching musical experience for all students and families involved in the Marble Falls Band Program.

John Tyree
​Assistant Middle School Director
​Percussion Director
​JTyree@mfisd.txed.net

John Tyree is beginning his second year as the Percussion Director and Middle School Assistant Director for Marble Falls ISD. Mr. Tyree is a percussionist originally from small-town Kentucky and holds a Bachelors in Music Education from Morehead State University and a Masters in Music Performance from Boston Conservatory.

Known for his versatility as a musician, he brings with him years of experience performing in contemporary, classical, jazz, rock, marching, and world music settings. Mr. Tyree has played with So Percussion, members of the SilkRoad Ensemble, the Commonwealth Lyric Opera, the North End Performing Arts Center, Sacred Winds, and the Cave Run Symphony Orchestra. His passion as a musician lies in collaboration, having worked with many different ensembles, composers, and artists including Sound Icon, David Crowell, Ben Levin, Bent Knee, and many others.

​As a teacher, Mr. Tyree has taught at a variety of schools around the country for 7 years, most recently serving as the Percussion Director for Weiss High School. Mr. Tyree is thrilled to be joining the team at Marble Falls and can’t wait to meet all of the amazing students and get started with the year!