======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '285'
                                          'artist'  'Three Dead Trolls In A Baggie'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Every OS Sucks'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['geek', 'canada', 'comedy', 'humor', 'canadian']"
                                     'discogstags'  "['non-music', 'comedy', 'folk, world, & country', 'stage & screen', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '122.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TBPM' (BPM (beats per minute))                     '122.6'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Every OS Sucks'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Three Dead Trolls In A Baggie'
'TXXX:Mp3gain_minmax'                               '109,187'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['non-music', 'comedy', 'folk, world, & country', 'stage & screen', 'folk']
'TXXX:lastfmtags'                                   ['geek', 'canada', 'comedy', 'humor', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.30 dB'
'TXXX:replaygain_track_peak'                        '0.842983'

========================== row from database ==========================
                                              'id'  1308838
                                            'path'  /data/Music/Bulk/00spent/Cabaret/Nerd Stuff/Three Dead Trolls In A Baggie - Every OS Sucks.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  285
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  4567316
                                           'mtime'  1637329871
                                   'redo_metaread'  0
                                        'rest_str'   00spent Cabaret Nerd Stuff nonmusic speech comedy or drama
                                      'tag_artist'  Three Dead Trolls In A Baggie
                                     'tag_release'  None
                                       'tag_title'  Every OS Sucks
                                             'bpm'  122.6
                                    'search_title'  'every':1 'os':2 'sucks':3
                                   'search_artist'  'a':5 'baggie':6 'dead':2 'in':4 'three':1 'trolls':3
                                  'search_release'  
                                     'search_rest'  '00spent':1 'cabaret':2 'comedy':7 'drama':9 'nerd':3 'nonmusic':5 'or':8 'speech':6 'stuff':4
                                    'search_combo'  '00spent':10 'a':8B 'baggie':9B 'cabaret':11 'comedy':16 'dead':5B 'drama':18 'every':1A 'in':7B 'nerd':12 'nonmusic':14 'or':17 'os':2A 'speech':15 'stuff':13 'sucks':3A 'three':4B 'trolls':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['geek', 'canada', 'comedy', 'humor', 'canadian']
                                        'tag_date'  2000
                                     'discogstags'  ['non-music', 'comedy', 'folk, world, & country', 'stage & screen', 'folk']

============================== file details ==============================
                                           'mtime'  1637329871.3723779  (2021-11-19 14:51:11)
                             'size'  4567316