From a Pokémon-themed rave to the touring production of “The Great Gatsby” musical, this weekend has plenty in store for Baltimore. Check it all out in our weekend events roundup:Student Film Screening, Thursday, Jan. 29, 4:30 p.m. to 6:30 p.m., The Walters Art Museum. The Great Gatsby, Saturday, Jan. 31, through Saturday, Feb. 7, Hippodrome Theatre. Based on the F. Scott Fitzgerald book of the same name, “The Great Gatsby” follows a millionaire in the Roaring 20s yearning for his former lover, who is now married to someone else. David Manzanares-Salguero, guitar, Saturday, Jan. 31, 3 p.m. to 5 p.m., Baltimore Museum of Art.