Tim Imbach

Tim Imbach - Music Director - tenor

Tim Imbach was born in Los Angeles and raised in Sonoma County. Growing up in a musical family, he started playing piano and singing at a young age. Tim has performed with several groups in the area and has directed church choirs, vocal ensembles, and musical theater productions. He has a passion for a cappella music and tight vocal harmony. 

Jeff Sengstack

Jeff Sengstack - Executive Director - bass

Jeff played trumpet in high school, switched to guitar and vocals through and well after college, and then jumped into choirs and later barbershop choruses and quartets including his long-time four-some: Leading Tones. He co-founded SingChronous and the Manzanita Harmony tenor/bass choir because of his love for the resonance and harmony of acapella singing and the joy it brings him to share that music with others.

Spencer Causey

Spencer Causey - tenor

Spencer grew up surrounded by music, playing guitar, piano, and French horn. He studied Music Performance at Sonoma State University, and was drawn towards vocal music post-Covid. He sang with the Penninsulaires and fell in love with the barbershop style

Jason Chodora

Jason Chodora - baritone

Jason played jazz trombone from a young age in different ensembles. Once Jason and his wife Tracy had children, performing music went on the back burner. After retiring from engineering in 2023, he joined the California Redwood Chorale and, shortly thereafter, Manzanita Harmony. He is finding tremendous joy in vocal harmony. 

Cole Daily

Cole Daily - tenor

[bio here] 

Jules Dantin

Jules Dantin - soprano

[bio here] 

Andy DelMonte

Andy DelMonte - tenor

A product of Sonoma County, Andy DelMonte grew up in Healdsburg and graduated from Cardinal Newman HS and SRJC. With music degrees from Arizona State University and Boston University, Andy has directed and taught at Analy HS, Casa Grande HS, SRJC and Willowside MS, and he currently teaches at Parkside and Brook Haven Schools in Sebastopol. He has directed and sung with several local community and church choirs as well. Andy and his family live in Sebastopol where they love being part of the West County community.

Ruth Escher

Ruth Escher - alto

[bio here] 

John Franchetti

John Franchetti - baritone

John started singing at a young age. He was lucky to start his singing foundation in elementary school with Marla Tusa. In high school he sang with Kira Bombace as a member of the SRHS Concert Choir and Chamber Singers and the California Redwood Chorale under the direction of Robert Hazelrigg. In addition, he sang under Jody Beneke at Santa Rosa Junior College. John currently sings with the California Redwood Chorale under the direction of Gage Purdy.

Lisa Radley Franchetti

Lisa Radley Franchetti - soprano

Lisa has been a vocalist and musician most of her life. She sung under the direction of Dan Earl as a member of his SRHS choirs and the Santa Rosa Symphonic Chorus; Curtis Sprenger with the SRJC Concert Choir and Chamber Singers; Robert Hazelrigg with Sonoma County Chamber Singers; Gage Purdy and Robert Hazelrigg with the California Redwood Chorale and was a founding member of The Tangents under the direction of Tim Imbach. When not singing, Lisa enjoys gardening, playing the cello and electric bass, and spending time with family and friends.

Sammie Marchetti

Sammie Marchetti - soprano

[bio here] 

Crystal McDougall

Crystal McDougall - soprano

[bio here] 

Ali Miller

Ali Miller - alto

Ali Miller made her public singing debut at church at the age of two when she asked for a microphone, stood on a chair, and sang a gospel hymn. Since then, she has directed and sang in several choral ensembles. Ali is currently a private piano teacher and music educator.

Gage Purdy

Gage Purdy - bass

Gage is a bass, an instrumentalist, and a private music instructor. He sang with Bob Worth’s Bach Choir, Carol Menke’s Cantiamo, Jody Beneke’s SRJC Choir, and the Santa Rosa Symphonic Chorus under Dan Earl. In addition to co-founding the Manzanita Harmony tenor/bass choir, Gage directs the Occcidental Community Choir, the California Redwood Chorale, and the Santa Rosa Unitarian Universalist Congregation

Sara Vaughn

Sara Vaughn - alto

[bio here] 

Nicole Vinson

Nicole Vinson - alto

[bio here]