An acoustic guitar having a reverberating bridge assembly mounted onto the body of the guitar for re-echoing and reverberating the sounds produced by the strings of the guitar, in order to increase the range of sound effects that the guitar is capable of producing. The reverberating bridge assembly comprises a tailpiece having a transverse crevice, a U-shaped tube support positioned within the crevice, and a hollow cylindrical tube supported upon the U-shaped tube support. The strings of the guitar press upon the cylindrical tube. When a player plucks the strings, vibrations of the strings reverberate within the tube, and are transmitted therefrom to the U-shaped tube support, the tailpiece, and then to the body of the guitar. The reverberating bridge assembly produces sound having a delightful reverberating quality.