Spe

*In Spe – Typewriter Concerto in D* (1985) is a progressive rock album by the Estonian band In Spe, known for blending classical influences with rock and electronic music. Composed by Erkki-Sven Tüür, who would later become a prominent contemporary classical composer, the album’s title piece creatively features the sounds of a typewriter as a central instrument, symbolizing the fusion of modern life with artistic expression. With intricate arrangements, symphonic textures, and minimalist influences, the music reflects a uniquely Eastern European take on progressive rock. *Typewriter Concerto in D* is a cult favorite, admired for its innovation and compositional depth.

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These standards include most of the units used commonly by SPE members. The subcommittee is aware that some will find the list incomplete for their area of specialty. Additions will continue to be made but too long a list can become cumbersome. The subcommittee believes that these standards provide a basis for metric practice beyond the units listed.

Waterflooding is an important method of improving recovery, but successful waterflood performance requires a sound design.