Romero's output as a composer appears to have been small. He wrote this 'Fantasķa para clarinete sobre motivos de Lucrecia Borgia' for clarinet and piano in 1839, and it was published in Madrid in 1875.
Lucrezia Borgia Fantasia Para Clarinete [Romero, Antonio]
| Instrument (fx guitar, sang m.m.) | Klarinet |
| Genrer (Fx Pop, Rock, Bųrn m.m.) | Klassisk |
| Type (fx Instrumentskole o.lign.) | Instrumentalvęrk |
| Sideantal | 24 |
| Media (fx Bog, CD, DVD m.m.) | Noder |
| Publisher/Producent | Unión Musical Ediciones, Unión Musical Ediciones |
| Bidragydere | Romero, Antonio (Author) |
| Sprog | Spansk |