======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '159'
                                          'artist'  'The Kinks'
                                     'text_people'  ''
                                         'release'  'The Ultimate Collection (Disc 2)'
                                           'title'  'David Watts'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['british invasion', 'rock', 'british', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '139.562'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000A16 000015B4 00005DF3'
'COMM:iTunNORM:eng'                                 (' 00000A16 000015B4 00005DF3 00008945 0001F223 00001EEE 00008000 00008000 '
 '000044EF 00003129')
'TALB' (Album/Movie/Show title)                     'The Ultimate Collection (Disc 2)'
'TBPM' (BPM (beats per minute))                     '139.562'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'David Watts'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Kinks'
'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'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['british invasion', 'rock', 'british', '60s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.436385'

========================== row from database ==========================
                                              'id'  1322933
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/the kinks - 01 - david watts.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  159
                                           'genre'  rock-unsorted
                                        'filesize'  5125153
                                           'mtime'  1678457054
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] the kinks 01 david watts rock unsorted
                                      'tag_artist'  The Kinks
                                     'tag_release'  The Ultimate Collection (Disc 2)
                                       'tag_title'  David Watts
                                             'bpm'  139.562
                                    'search_title'  'david':1 'watts':2
                                   'search_artist'  'kinks':2 'the':1
                                  'search_release'  '2':6,7 'collection':3 'disc':4,5 'the':1 'ultimate':2
                                     'search_rest'  '00poprockelectronic':1 'david':9 'files':5,6 'kinks':8 'loose':3,4 'rock':11 'the':7 'unsorted':2 'watts':10
                                    'search_combo'  '00poprockelectronic':12 '2':10C,11C 'collection':7C 'david':1A,20 'disc':8C,9C 'files':16,17 'kinks':4B,19 'loose':14,15 'rock':22 'the':3B,5C,18 'ultimate':6C 'unsorted':13 'watts':2A,21
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2', 'Q-PIANO-2']
                                      'lastfmtags'  ['british invasion', 'rock', 'british', '60s', 'classic rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678457054.306177  (2023-03-10 15:04:14)
                             'size'  5125153