Assess the level of sadness present in the following tweet: "Free live music in DC tonight!  #blues with #MoonshineSociety at @thehamiltondc in the Loft starting at 10:30pm @FreeinDCBlog @WTOPFreebies". Provide a real number between 0 and 1, with 0 representing the least intensity and 1 representing the highest intensity.
0.188