The musical groups selected to perform in the free holiday concert at the Music Center on Christmas Eve get 20 minutes each to rehearse — in one day-long marathon on the fourth floor of the Dorothy Chandler Pavilion. LA Observed was there. LA Observed story

If you've never shopped on Santee Alley in the downtown Fashion District, here's a short LA Observed video showing what the scene is like. LA Observed story

Peter Westwick, co-curator of the Blue Sky Metropolis exhibit at the Huntington Library, explains the connection between aerospace and surfing. LA Observed story

Walk through the exhibition that includes the living room from the home of designers Charles and Ray Eames, plus works by Richard Neutra, R.M. Schindler and others. Among the pieces on display is the Studebaker Avanti owned by Dick Van Dyke, original Ken and Barbie dolls, a display table from Bullock's Wilshire and an Oscar statuette designed by Cedric Gibbons. LA Observed story

One minute of Sunday afternoon traffic on the 405 freeway in Sepulveda Pass. LA Observed story