The 17th Street Market features live music from 11:30 a.m. to 3:30 p.m., most Saturdays. Jan. 30: Kate Becker Project. Live music is also featured from noon to 2 p.m., every Sunday. Jan. 31: Amber Norgaard Duo. Free. Beginners' guitar classes take place from 4 to 5 p.m., Thursday, for ages 6 to 12; and from 5:15 to 6:15 p.m., Thursday, for those older than 12. A drum circle takes place from 10 to 11 a.m., Thursday. Free. Call or visit treasureshidden.com for more information.