======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '185'
                                          'artist'  'Corky and the Juice Pigs'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm The Only Gay Eskimo"
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-1', "
 "'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'canada', 'song seen live', 'pop rock', 'silly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '93.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '93.0'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TIT2' (Title/songname/content description)         "I'm The Only Gay Eskimo"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Corky and the Juice Pigs'
'TXXX:Mp3gain_minmax'                               '119,183'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'canada', 'song seen live', 'pop rock', 'silly']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.487046'

========================== row from database ==========================
                                              'id'  1518655
                                            'path'  /data/Music/Bulk/00spent/Cabaret/Corky and the Juice Pigs - I_m the Only Gay Eskimo.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  185
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  1485407
                                           'mtime'  1620398958
                                   'redo_metaread'  0
                                        'rest_str'   00spent Cabaret I_m nonmusic speech comedy drama
                                      'tag_artist'  Corky and the Juice Pigs
                                     'tag_release'  None
                                       'tag_title'  I'm The Only Gay Eskimo
                                             'bpm'  93.0
                                    'search_title'  'eskimo':7 'gay':6 'i':1 'im':3 'm':2 'only':5 'the':4
                                   'search_artist'  'and':2 'corky':1 'juice':4 'pigs':5 'the':3
                                  'search_release'  
                                     'search_rest'  '00spent':1 'cabaret':2 'comedy':7 'drama':8 'i':3 'm':4 'nonmusic':5 'speech':6
                                    'search_combo'  '00spent':13 'and':9B 'cabaret':14 'comedy':19 'corky':8B 'drama':20 'eskimo':7A 'gay':6A 'i':1A,15 'im':3A 'juice':11B 'm':2A,16 'nonmusic':17 'only':5A 'pigs':12B 'speech':18 'the':4A,10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           '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-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'canada', 'song seen live', 'pop rock', 'silly']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620398957.5829322  (2021-05-07 16:49:17)
                             'size'  1485407