| A Todo Rock | |
| Type: | studio |
| Artist: | Menudo |
| Cover: | A Todo Rock.jpg |
| Genre: | Latin Pop |
| Length: | 32:07 |
| Label: | RCA Victor |
| Prev Title: | Adios Miguel |
| Prev Year: | 1983 |
| Next Title: | Reaching Out |
| Next Year: | 1984 |
A Todo Rock is Menudo's thirteenth album in Spanish. It features Ricky Meléndez, Johnny Lozada, Charlie Massó, and new members Ray Reyes, who replaced Xavier Serbiá after Serbiá reached the age limit, and Roy Rosselló, who replaced Miguel Cancel after Cancel decided to quit the group.[1] This was the first time that a member decided to leave before his time was due. According to an interview made in 1998, Cancel was unhappy that he was not able to sing his songs after a sudden voice change and opted to leave before his scheduled departure, thus being replaced by Rosselló (even though he didn't sing on the first three albums). This is the last album that Johnny Lozada recorded as a member of the group. Robby Rosa (also known as Draco Rosa), sang on the album but was not credited for it. He would later become a member of the group.[2]
The album was the first Menudo album to sell over one million copies worldwide.[3]