Morning Report : ART & ARCHITECTURE

Presidential Designs: The New York-based Polshek Partnership has been selected as the architect for the Clinton Presidential Library in Little Rock, Ark. The 36-year-old firm--which once tended toward a Postmodern, classically based style--has since turned to a more low-key, Modernist aesthetic. Among the firm’s most recent works is New York’s Hayden Planetarium, which will be completed in January, and the Iris and B. Gerald Cantor Center for Visual Arts at Stanford University. The $12.5-million Clinton Library--which will be in a downtown location on the south bank of the Arkansas River--will house presidential archives and memorabilia, as well as an exhibition space. Other candidates for the job included Santa Monica-based architect Frank Gehry and Charles Gwathmey of New York.

Flea Market Finds: An avid reader who bought a box of secondhand books for $25 at a market near Amsterdam last week has found a little something extra inside: two etchings that historians have identified as the work of Dutch master Rembrandt. The man, whose name was not released, discovered the etchings in an envelope when he emptied the box, Amsterdam’s De Telegraaf reported. One depicts the artist’s mother, and the other shows an image of the good Samaritan. In May, a Dutch woman pocketed $50,000 after she bought a book for $1 and found two Rembrandt etchings inside.

MUSIC

Kronos Cellist Switch: Change is afoot at the much-respected Kronos Quartet, where cellist Joan Jeanrenaud has resigned from the group after 20 years. She is being replaced by cellist Jennifer Culp, who has been Kronos’ guest cellist since January, when Jeanrenaud began a sabbatical break. Jeanrenaud, who will continue to record and perform as a solo artist, said she wants to explore different artistic directions, and also has tired of Kronos’ rigorous performance and travel schedule. Culp--a former member of the Philadelphia String Quartet, the Dunsmuir Piano Quartet and the Empyrean Ensemble--has performed nearly 50 concerts this year with the quartet’s remaining members: David Harrington, Hank Sherba and John Dutt.

POP/ROCK

Concert Melees: A pair of weekend concerts by the Dave Matthews Band in Hartford, Conn., led to chaos when crowds and police clashed both Saturday and Sunday nights. The parking lot melees led to a total of 55 arrests, but no serious injuries were reported. On Saturday, police in riot gear confronted a crowd throwing beer bottles and torching overturned cars outside the Meadows Music Theatre. The next night, a stepped-up police contingent roving the parking lot faced another rowdy crowd and fired rubber bullets and smoke grenades to clear the area. Some people at the scene said intimidating police were exacerbating the situation, but a 20-year-old Vermont man attending the show told the Hartford Courant that the mob mood was so ugly that it seemed there was a “contagion in the crowd.” The violence did not extend to inside the venue, where the guitar jam band played without incident to sold-out crowds of 25,000 each night. The riots come on the heels of a similar scene two weeks ago at Woodstock 99, the huge upstate New York music festival that was marred by a half-dozen reported rapes and, on the festival’s third and final night, a wave of looting and arson that saw trailers upended and towers toppled before riot police cleared the site.

TELEVISION

Quality Programs: ABC’s “The Practice” and CBS’ “Everybody Loves Raymond” were named the best drama and comedy series, respectively, in Viewers for Quality Television’s 15th annual Quality Awards, voted by the Virginia-based advocacy group’s 2,000 members. Both shows are nominated for multiple Emmy awards this year. In addition, NBC’s “Will & Grace”--which received only one Emmy nod, for direction--will receive this year’s Viewers for Quality Television Founders Award for making “a significant contribution to quality television without receiving due recognition.” In a comment on the overall state of television, however, the group decided to not award its annual Network Commitment to Quality Award this year, saying that “no network rose to the level of excellence or commitment to quality required.”

QUICK TAKES

Linda Ronstadt and Emmylou Harris will return to the West Hollywood club that spawned their lengthy careers when they play a joint concert at the Troubadour on Aug. 23. The show marks the release of the pair’s new album, “Western Wall--The Tucson Sessions.” . . . Russian National Orchestra conductor Mikhail Pletnev has canceled his scheduled appearances at the Hollywood Bowl tonight and Thursday due to a foot infection that occurred following a hiking injury last week. Two of the Russian orchestra’s associate conductors will replace him: Dmitri Liss tonight and Andrey Boreyko on Thursday. . . . Offspring singer Dexter Holland will do a live chat tonight at 7 at https://www.yahoo.com. . . . VH1 is auctioning off front-row tickets to Bruce Springsteen and the E Street Band’s concerts in four cities--Boston (Aug. 21), Washington (Aug. 31), Philadelphia (Sept. 13) and Chicago (Sept. 27)--over the network’s Web site, https://www.vh1.com. Proceeds will go to charity. . . . MTV will tape a Saturday performance by the Red Hot Chili Peppers in Moscow’s Red Square to be televised in October on all MTV channels worldwide. The American band will be playing with local Russian artists at a free music festival. . . . CBS will again run “GoodFellas” directly opposite the Sept. 12 Emmy Awards, which air from 8 to 11 p.m. on Fox. CBS did the same last year, when the movie drew almost 13 million viewers.