The Buffalo Spring field perform Saturday at the Fairgrounds Coliseum.SUPPLEMENT TOaFe Daily Utah ChrnicleComingThe Youngbloods with a popular new sound in pop music.One of the hottest new groups in the country will also appear on stage in the form of H. P. Lovecraft. The group, which got its name from a famous English author, has a style that resembles material of the Doors, yet having much more vocal sounds. IT. P. Lovecraft will be coming out from Chicago to do several numbers off their first album, including “White Ship.”Then there is the light show. Tomorrow's literally total environment light show will be produced by the nation’s finest group. Jerry Abram’s Head Lights. The scope of the show to be presented in the Coliseum will be unequaled by any other show in the nation. The entire north end of the Coliseum will be covered with screens rising three stories high to the dome of the structure, thus surrounding the people with lights that are guaranteed to properly affect any head in the house. Six people operating some forty feet of gear will immerse half of the Coliseum with strobe lights, liquids, films, slides, and crystal images.Finest In Light ShowsHoad Lights is partially responsible for making light shows what they are today. Operating in the Fillmore and Avalon ballrooms and Winterland in San Francisco, the name Head Lights has become the finest name around in light shows. A lot of experimentation will be going on tommorrow night, but whatever happens, its bound to be a wild scene.Two shows will be staged, both being of equal time. Show times are 7:30 and 10:30, and admission for both shows will be $3.50. Tickets can be purchased at The House of Music, The Cosmic Aeroplane, The Blue Door in Ogden, and at the door.Springfield, Head LightsBy BRUCE ROBERTS Chronicle Rock EditorOne of the premier headline shows ever to hit the Salt Lake pop scene will happen tomorrow, the night of the Vernal Equinox, vvhen Numenor Productions presents an unmatched total environment dance concert.The combination of three phenomenalgroups with the nation’s foremost light show is expected to blow every mind in the Salt Lake Coliseum. Sounds will be provided by the Buffalo Springield, The Youngbloods, and H. P. Lovecraft. Lights will be furnished by Jerry Abrams' Heads Lights from San Francisco.Some fantastic sounds will be comingfrom the stage via the musical genius of the Buffalo Springfield. Honored as one of the top singles artists in 1967, the Springfield came up with one of the finest 45 discs ever recorded, featuring “For What It’s Worth, and “Do I Have to Come Right Out and Say It.” Two other big singles, “Bluebird,” and “Rock and Roll Woman,” also soared in the national charts.The group’s first album. “Buffalo Springfield, was an immediate success, and was followed up with “Buffalo Springfield Again,” which is still one of the most popular albums in the nation. The Springfield’s recordings of Big Time Boy, and “Sad Memories are two of the more exceptional cuts on the second album. “Buffalo Springfield Again” was released after the group had decided to bag an entire alburn that they felt did not represent their kind of music.Special AppearanceThe Los Angeles-based group will be making its first visit, to Salt Lake City, and their special appearance will be a fine opportunity to experience a swinging new brand of music that quite often contains a timely message.A highlight of Saturday's show will be the continual intesnity ol the whole thing. The Buffalo Springfield will be accompanied by two talented groups in the Youngbloods and H. P. Lovecraft. The Youngbloods, now-residing in San Francisco, got off to a slow start, but have recently come into its own as a fine group of musicians. The Youngbloods latest single, “Quicksand, hit the top of the charts in a matter of weeks, and turned ever a new leaf in the group’s two year existence. The Youngbloods recently came out with u second album titled “Earth Music. which portrays a new sound geared for some easy listening. The new brand of psychedelic and heavy blues music provides