[4] Montalvo has recorded with Willie Colon, Johnny Pacheco, Los Kimbos, Celia Cruz, Ruben Blades, Cheo Feliciano, Bobby Valentin, Papo Lucca, Roberto Roena, Gilberto Santa-Rosa, Nicky Marrero, Gilbert Colon, Ismael Miranda, Johnny Pacheco[5] as well as with Tito Rodriguez, Jr.[6] He played with Ruben Blades band for twelve years.
[9] Montalvo recorded songs such as Pedro Navaja,Cuentas Del Alma, Silencios, Buscando America, Desapariciones, Decisiones, and Todos Vuelven.
Due to his professional experience with Hector Lavoe, Montalvo was asked to perform in and consult on the motion picture El Cantante, featuring Marc Anthony and Jennifer Lopez.
Latin Percussion LP named a special series of Congas in his honor called LP® EDDIEMONTALVO SIGNATURE FIBERGLASS [11] In addition to being a fulltime percussionist he also worked full time as a gas meter installer for over 25 years with ConEdison in New York.
[12] With Ruben Blades With Tony Pabon With Los Kimbos With Johnny Pacheco With Conjunto Classico With Jose Mangual, Jr. With Louie Cruz With Willie Colon With Johnny "Dandy" Rodriguez With Hector Lavoe With Fania All-Stars With Pete "El Conde" Rodriguez With Paul Simon With Celia Cruz With Rigo Y Su Obra Maestra With Marty Galagarza With Seguida Luis "Perico" Ortiz With Pupi Legarreta With Luigi Texidor With Santiago Cerón With Tito Allen With Luis Doñe Y El Conjunto Mangú Con Junior Soria With Santiago Cerón With Caco Senante With Ray Martínez Y Su Sabor Criollo With Monguito El Único With Roberto Lugo