Video of excerpts from solo part.

by David A. Jaffe featuring virtuoso Radio-Drum soloist Andrew Schloss
The Seven Wonders of the Ancient World is a piano concerto performed by a percussionist. It is the premier work for a new hybrid acoustic instrument, the "Radio-Drum-driven Disklavier", which allows the gestural vocabulary of a percussionist to speak with the voice of an acoustic grand piano. The sound of this new instrument is massive and grand, even monumental, giving a new sense to the word "pianistic", and is further extended by a unique ensemble of acoustic plucked string and percussion instruments. All sound is entirely acoustic and performed as it would be in a concert setting--there are no loudspeakers, electronic sound or over-dubbing.
The work was released on CD in October, 1996 on the Well-Tempered productions label. Commissioned by a National Endowment for the Arts Collaborative Fellowship, it involved a collaboration between composer David A. Jaffe and percussionist Andrew Schloss. The two worked as Resident Artists at the Banff Centre for the Arts in 1992-1993, where they developed the new instrument and refined the solo part.
The premiere performance was January 20, 1998 by the San Francisco Contemporary Music Players at the Yerba Buena Theatre in San Francisco. San Francisco Chronicle review of concert
Taken as a whole, they reveal a crosshatch of parallels and oppositions: Two deal with death--the Pyramids and the Mausoleum. The Hanging Gardens glorify cultivated nature, while Artemis is the goddess of wilderness and wild animals. The two statues depict the heavens--Zeus, the god of thunder and rain; and the sun god of the Colossus of Rhodes.
How can the essence of these monuments be conveyed in music? In searching
for an answer, I felt a need to push beyond the technological limits of
conventional musical instruments, much the way the Wonders themselves
challenged the practical constraints of their day. Although I could have used
electronic sound, its disembodied quality seemed singularly inappropriate.
Instead, I chose to collaborate with Andrew Schloss to create a new
purely-acoustic musical instrument and found myself nourished by the wonderful
creative tension that emerges when the impulse to transcend known boundaries is
forced to confront the laws of physics. This sense of dynamic balance offers,
perhaps, a glimpse into the inspiration of those who created the great Wonders
of the past.
--David A. Jaffe; Berkeley, California; 1996
I. The Great Pyramid (Giza, Egypt; 3000 B.C.) "Man fears time. But time fears the Pyramids." The music is built of ponderous massive blocks of sound, each comprising all 88 notes of the piano. The Radio-Drum soloist performs the correlation, dynamics, density and speed of this material. The movement ends in a mist of dead kings and forgotten slaves.







This work is composed for a new acoustic instrument that maps the gestural language of a percussionist to the physical sound-production mechanism of a piano. This hybridization is made possible by combining a "virtual instrument", the Boie-Mathews Radio-Drum, with a remote-control acoustic piano, the Yamaha Disklavier Grand piano, linked by a computer to create the magical effect of "tele-presence". This hybrid instrument allows for a new kind of piano music, in which the gestures and idioms of percussion music--jazz, African, Cuban music, etc.--are grafted onto the piano, with its own deep and rich cultural contexts and associations ranging from European concert music to jazz.
The Radio-Drum serves as the percussive controller for the Drum-Piano. It uses low frequency radio signals to enable a computer to track the percussionist's motions of two mallets as he freely moves them in three-dimensional space. A computer program then interprets the trajectories of the mallets to perform whatever function the composer has programmed. For additional control, a set of 16 MIDI organ foot-pedals are used by the percussionist to select different mappings of the Drum, as well as to enable/disable various functions. The Drum was built by Robert Boie at AT&T Bell Labs and refined for use in a percussive context by Andrew Schloss.
The Yamaha Disklavier forms the other half of the hybrid Drum-Piano. A successor to the old player pianos, it is an acoustic piano that can "play itself". However, unlike a player piano, the Disklavier can "listen" to commands from a remote instrument that direct it to play or release individual piano keys and pedals. In the Drum-Piano hybrid, it receives this information from the Radio-Drum, as interpreted by a Macintosh computer running special software written by Schloss and Jaffe.
Music written for the Drum-Piano sounds unlike any other piano music because it is based on a different set of constraints. The Drum-Piano shares many characteristics of an acoustic drum, such as its rapid gestural vocabulary, and many characteristics of a conventionally-played piano, such as its decay and timbre. Yet, the composer is freed from the polyphonic limitations of conventional percussion instruments, as well as from the limitations of the geometry of the pianist's hand. Nevertheless, the Drum-Piano remains a mechanical instrument bound by certain physical realities; for example, a single note can be repeated only so fast, as it takes some time for the hammer and key to return to their original position after playing a note. Working within these constraints can actually be an inspiring process; often a limitation in one area suggests exciting possibilities with a slight modification of the initial conception. Furthermore, by using quasi-improvisational scenarios for the Radio-Drum, the composer is afforded sufficient influence over musical materials, while simultaneously allowing the performer freedom to realize the potential of his instrument. The composer's role is transformed from that of specifying what will be played, to circumscribing what can be played.
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