[2] Other hits written by Romeo include "Oh Boy (The Mood I'm In)" by both Diana Trask and Brotherhood of Man; "Walking in the Sand", sung by Al Martino, which reached number 9 on the Adult Contemporary charts in 1970;[3] "Indian Lake" for The Cowsills;[3][4] and "I'm Gonna Make You Mine" by Lou Christie.
[5][6] He wrote songs for The Seekers, The Everly Brothers, Richard Harris[7] and David Cassidy[8] among others.
[11] Through colleague Wes Farrell's Pocket Full of Tunes songwriting agency, Romeo additionally created commercial jingles to advertise such products as Breck shampoo, Coty cosmetics' fragrance Muguet de Bois, Pall Mall cigarettes, and Scripto lighters.
In 1970, he wrote music and lyrics for a musical-theater version of A Dog of Flanders.
Billboard Pop Singles chart for three weeks: November 15 – December 5, 1970 [15] During the last 15 years of his life, Romeo was a resident of Pleasant Valley.