What genre of music  did Loudest Whisper debut on a vinyl record format characterized by a speed of 33 ⁄ rpm, a 12 or 10 inch (30 or 25 cm) diameter, and use of the "microgroove" groove specification?
The Children of Lir (Loudest Whisper album) The Children of Lir is the debut album by Irish folk rock/progressive folk group Loudest Whisper. It is the studio adaption of the musical of the same name that was performed in Fermoy, Ireland in 1973. The album was released on LP record in Ireland by Polydor Records in 1974 in a limited edition of 500 copies.
Slave to the Grind Slave to the Grind is the second studio album by American heavy metal band Skid Row, released on June 11, 1991 by Atlantic Records. The album displayed harsher sound than its predecessor and lyrics that avoided hard rock cliches. "Slave to the Grind" is the first heavy metal album to chart at number one on the "Billboard" 200 in the Nielsen SoundScan era, selling 134,000 copies in its opening week. The album was certified 2× platinum by the Recording Industry Association of America (RIAA) in 1998 for shipping two million copies in the United States. It produced five singles: "Monkey Business", "Slave to the Grind", "Wasted Time", "In a Darkened Room" and "Quicksand Jesus", all of which did not receive significant airplay as the singles from the previous record. Skid Row promoted the album opening for Guns N' Roses in 1991 and as a headliner the following year.