======================== unified (from filesystem) ========================
                                         'bitrate'  '205.415'
                                        'duration'  '342'
                                          'artist'  'The Dears'
                                     'text_people'  ''
                                         'release'  'No Cities Left'
                                           'title'  'We Can Have It'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'rock', 'indie rock', 'canadian']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '120.1'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'No Cities Left'
'TBPM' (BPM (beats per minute))                     '120.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'We Can Have It'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dears'
'TPE2' (Band/orchestra/accompaniment)               'The Dears'
'TPUB' (Publisher)                                  'SpinART'
'TRCK' (Track number/Position in set)               '1'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'rock', 'indie rock', 'canadian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.322431'

========================== row from database ==========================
                                              'id'  1377587
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Dears - Dears/No Cities Left/01 - The Dears - We Can Have It.mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  342
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  8855424
                                           'mtime'  1637330242
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 01 ifs songwriter indie rock
                                      'tag_artist'  The Dears
                                     'tag_release'  No Cities Left
                                       'tag_title'  We Can Have It
                                             'bpm'  120.1
                                    'search_title'  'can':2 'have':3 'it':4 'we':1
                                   'search_artist'  'dears':2 'the':1
                                  'search_release'  'cities':2 'left':3 'no':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':10 'can':2A 'cities':8C 'dears':6B 'have':3A 'ifs':13 'indie':15 'indierock':12 'it':4A 'left':9C 'no':7C 'poprock':11 'rock':16 'songwriter':14 'the':5B 'we':1A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'rock', 'indie rock', 'canadian']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330242.045212  (2021-11-19 14:57:22)
                             'size'  8855424