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.
Tombstone Valentine Tombstone Valentine is a studio album released by Wigwam in 1970. While the previous album "Hard 'n' Horny" was more of a jazz influenced album, "Tombstone Valentine" in one of their more pop-ish albums. The album sounds more like the records of the "Deep Pop" era ("Nuclear Nightclub", "Lucky Golden Stripes and Starpose") than the records of the progressive rock era ("Hard 'n' Horny", "Fairyport" and "Being").