gistfile1.txt

# First level filters - Songs currently in play (filters downstream can use any from this set)
  - Approved (Not christmas, explicitly disliked, or < 30s, skips are < 3)
  - Second chances (Approved, but skips are between 3-4. Not skipped within a year, not played within 240 days. Capped at 200.)
  - Third chances (Approved, but skips are between 4-5. Not skipped within 480 days, not played within 360 days. Capped at 100.)
  - Last chance (Approved, but skips > 5, Not skipped within 480 days, not played within 360 days. Capped at 50.)

# Second level filters
  - 1949 and earlier (songs in play, year is < 1949, not played in 180 days, not skipped in 270 days)
  - 1950-1959 (songs in play, year is 1950-1959, not played in 180 days, not skipped in 270 days)
  - 1960-1969 (songs in play, year is 1960-1969, not played in 140 days, not skipped in 270 days)
  - 1970-1979 (songs in play, year is 1970-1979, not played in 130 days, not skipped in 270 days, limited to 450)
  - 1980-1989 (songs in play, year is 1980-1989, not played in 120 days, not skipped in 270 days, limited to 450)
  - 1990-1999 (songs in play, year is 1990-1999, not played in 110 days, not skipped in 270 days, limited to 500)
  - 2000-2009 (songs in play, year is 2000-2009, not played in 90 days, not skipped in 180 days, limited to 500)
  - 2010-2019 (songs in play, year is 2010-2019, not played in 30 days, not skipped in 150 days)
  - 2020+ (songs in play, year is 2010-2019, not played in 7 days, not skipped in 90 days)
  - New (Purchased in last six months, skips < 3, not skipped in last 90 days - This helps push fresh stuff into play more)
  
 # Third level filters
 - Various playlist that pull the level 2 filters but cap at X songs for a given device.