Bialek’s Music, Rockville; 301-340-6206. Our top-rated music agency, Bialek’s represents 50 bands and 35 DJs. It can also provide groups that play ethnic music—including Latin, Arabic, Greek, French, and Portuguese.

Black Tie DJs, Chantilly; 703-803-7722. In business since 1978, this company represents 15 DJs who offer a range of styles and personalities.

Celebrated String Quartet, Annandale; 703-256-0755; string4.com. This string quartet plays classical, jazz, tango, waltz, rock ’n’ roll, and more. It can add musicians to become an orchestra.

Chris Laich, Northwest DC; 202-997-2514. Modern Bride magazine named Laich one of the best wedding DJs in the country for the past two years.

Crystal Strings, Bowie; 301-464-2828. This 24-year-old agency can provide string quartets, solo harpists, flute quartets, violinists, pianists, strolling musicians, and more.

Entertainment Exchange, Bethesda; 301-986-4640. One of our top vote-getters, this agency represents 17 bands, including favorites Free Spirit and Sound Connection—and books classical ensembles, jazz groups, and more. DJ Aaron Couch was a top pick in our survey.

The Grandsons, Arlington; 703-243-9378. This roots-rock quartet combines New Orleans rhythm-and-blues, rockabilly, and swing and country two-steps.

Jan Davis Entertainment and Events, Alexandria; 703-461-7253. Representing more than 300 musicians, this agency can provide jazz and classical ensembles, big band, swing, and more. Popular bands include Onyx and Full Circle.

Johnny Artis Band, Alexandria; 703-583-9894. This R&B and Southern-rock band has played at more than 500 weddings. Its song list ranges from Elvis to hip-hop; it also plays originals.

Kirkabee Deejays, Vienna; 703-281-4290. Owner Kirk Rubley, who has 31 years of experience, represents 46 DJs and books classical ensembles.

MSE Productions, Reston; 703-620-5554. In business since 1983, MSE can provide musicians to play everything from classical to jazz. The popular Miles Stiebel Orchestra plays big band, disco, Motown, and more.

MyDeejay.com, Columbia; 888-438-6935. Brides say founder Evan Reitmeyer can get everyone dancing—from children to grandparents.

NYX Entertainment, Rockville; 301-984-0500. This company offers a service called NYX Live, which combines DJs with saxophonists, drummers, keyboardists, and other musicians.

Olivera Music Entertainment, Ashburn; 703-589-1588. This agency represents solo harpists, jazz groups, DJs, nine-piece string ensembles, and 70 variety bands—including the popular Rendezvous.

Potomac Talent, Silver Spring; 301-587-6267. This musician-owned entertainment company books bands, DJs, classical ensembles, bagpipers, folk harpists, and more.

Retrospect, Ellicott City; 301-438-2400. Our top-ranked band, Retrospect’s three vocalists, three-piece rhythm section, and three-piece horn section will play Top 40, Motown, swing, and more.

Washington Talent, Photo and Video, Rockville; 301-762-1800. In business since 1967, this agency works with bands, DJs, jazz groups, classical ensembles, and more. Also offers photographers and videographers.

Wright Music & Productions, Fort Washington; 301-292-0584. Owner David Wright, who plays saxophone and sings for the Wright Touch Band, spent 20 years with the US Marine Band. Also provides chamber music, solo musicians, classical ensembles, and more.