======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'R.E.M.'
                                     'text_people'  ''
                                         'release'  'Eponymous'
                                           'title'  'The One I Love'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '127.524'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Eponymous'
'TBPM' (BPM (beats per minute))                     '127.524'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'The One I Love'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '197000'
'TPE1' (Lead performer(s)/Soloist(s))               'R.E.M.'
'TRCK' (Track number/Position in set)               '10'
'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', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.784329'

========================== row from database ==========================
                                              'id'  1290966
                                            'path'  /data/Music/Bulk/00poprockelectronic/R.E.M/REM - The One I Love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  rock-unsorted
                                        'filesize'  3529595
                                           'mtime'  1637158454
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic REM rock unsorted
                                      'tag_artist'  R.E.M.
                                     'tag_release'  Eponymous
                                       'tag_title'  The One I Love
                                             'bpm'  127.524
                                    'search_title'  'i':3 'love':4 'one':2 'the':1
                                   'search_artist'  'e':2 'm':3 'r':1 'rem':4
                                  'search_release'  'eponymous':1
                                     'search_rest'  '00poprockelectronic':1 'rem':2 'rock':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':10 'e':6B 'eponymous':9C 'i':3A 'love':4A 'm':7B 'one':2A 'r':5B 'rem':8B,11 'rock':12 'the':1A 'unsorted':13
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'pop', 'rock']
                                        'tag_date'  1988
                                     'discogstags'  ['rock', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637158454.2322834  (2021-11-17 15:14:14)
                             'size'  3529595