Gisel A. Costa is the author of The Eras Series: The Eras The Baroque Story, The Eras The Classical Story, and The Eras The Romantic Story. She is the app developer for her iOS apps The Baroque Story, The Classical Story, and The Romantic Story. Her published works emphasize practice for young students. Her books and apps breaks down music, art, literature, history, and more during each time period. She has over a decade of experience of music instruction through her music business Costa Staff Music in New Jersey. Her compositions and samples have been featured at Walter Reade Theater, Lincoln Center, Teflon Sega, Rare Percussion, and more. She also sang the National Anthem for state events. She went to Saint Dominic Academy and joined the Dominoes Choir where they sang and she accompanied the choir in various events. They competed as a choir twice coming back home as first place winners. She has studied with Adam Kent in New Jersey City University and received her Bachelor of Arts in Music. She was in various bands as a keyboardist and lead backup vocalist. She performed in Maxwells, Arlene's Grocery, The Bitter End, National Underground, and other various venues throughout the tri-state area. She also performed Winter Holiday performance for the children in the Head Start Program for the past few years. She accompanied for Kearny High School. She joined the Oratorio Society of New York recently singing Soprano 2 where they performed 2 world premieres "We Are One" by Behzad Ranjbaran and "Sanctuary Road" collaboration between composer Paul Moravec and librettist Mark Campbell under conductor Kent Tritle in Carnegie Hall for their 145th season. Her compositions were used by High School Sophomores from the Academy for Visual and Performing Arts and they won their 45th Annual Dance on Film Contest. Their screening took place at Walter Reade Theater, Lincoln Center, NYC.