It describes a girl seen on a train who dances "gracefully" and "backwards and forwards" ( al derecho y al revés ), highlighting the carefree social scenes typical of the era . Musical Style
The song is a high-energy invitation to dance and enjoy a festive night . Vamos Ya Leo Dan
A driving, danceable beat designed for the "discotheque dancefloors" of the late 60s . It describes a girl seen on a train