======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '270'
                                          'artist'  'Coldplay'
                                     'text_people'  ''
                                         'release'  'Parachutes'
                                           'title'  'Trouble'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'britpop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '140.433'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Parachutes'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Trouble'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '270942'
'TMED' (Media type)                                 'ANA'
'TPE1' (Lead performer(s)/Soloist(s))               'Coldplay'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'britpop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.438404'

========================== row from database ==========================
                                              'id'  1340684
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Theme - BOF - Sexe Intentions - Colplay - trouble.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  270
                                           'genre'  rock-unsorted
                                        'filesize'  4338931
                                           'mtime'  1620392377
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Theme BOF Sexe Intentions Colplay trouble rock unsorted
                                      'tag_artist'  Coldplay
                                     'tag_release'  Parachutes
                                       'tag_title'  Trouble
                                             'bpm'  140.433
                                    'search_title'  'trouble':1
                                   'search_artist'  'coldplay':1
                                  'search_release'  'parachutes':1
                                     'search_rest'  '00poprockelectronic':1 'bof':8 'colplay':11 'files':5,6 'intentions':10 'loose':3,4 'rock':13 'sexe':9 'theme':7 'trouble':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 'bof':11 'coldplay':2B 'colplay':14 'files':8,9 'intentions':13 'loose':6,7 'parachutes':3C 'rock':16 'sexe':12 'theme':10 'trouble':1A,15 'unsorted':5
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'britpop', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620392376.7452066  (2021-05-07 14:59:36)
                             'size'  4338931