======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '243'
                                          'artist'  'Tetos Demetriades'
                                     'text_people'  ''
                                         'release'  ('To What Strange Place : The Music of The Ottoman-American Diaspora, 1916 - '
 '1929')
                                           'title'  'Miserlou'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pulp fiction', 'rebetiko', 'rembetika', 'misirlou']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '21'
                                            'date'  '1927'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '129.4'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000471 00000471 000021FE 000021FE 0002D20A 0002D20A 00007C34 00006D93 '
 '00005D43 0003AC82')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000900 0000000000A41E70 00000000 0094C5B7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '21++'
'TALB' (Album/Movie/Show title)                     ('To What Strange Place : The Music of The Ottoman-American Diaspora, 1916 - '
 '1929')
'TBPM' (BPM (beats per minute))                     '129.4'
'TDRC' (Recording time)                             '1927'
'TENC' (Encoded by)                                 'iTunes 10.6.3.25'
'TIT2' (Title/songname/content description)         'Miserlou'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tetos Demetriades'
'TPOS' (Part of a set)                              '1/3'
'TRCK' (Track number/Position in set)               '19/21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pulp fiction', 'rebetiko', 'rembetika', 'misirlou']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.683793'

========================== row from database ==========================
                                              'id'  1476845
                                            'path'  /data/Music/Bulk/00poprockelectronic/Versions - MISIRLOU/1927. Tetos Demetriades (OP) - Miserlou (Columbia 56073).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  243
                                           'genre'  
                                        'filesize'  9760598
                                           'mtime'  1652398008
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Versions MISIRLOU 1927. (OP) (Columbia 56073)
                                      'tag_artist'  Tetos Demetriades
                                     'tag_release'  To What Strange Place : The Music of The Ottoman-American Diaspora, 1916 - 1929
                                       'tag_title'  Miserlou
                                             'bpm'  129.4
                                    'search_title'  'miserlou':1
                                   'search_artist'  'demetriades':2 'tetos':1
                                  'search_release'  '1916':13 '1929':14 'american':9 'diaspora':11,12 'music':6 'of':7 'ottoman':8 'ottomanamerican':10 'place':4 'strange':3 'the':5 'to':1 'what':2
                                     'search_rest'  '00poprockelectronic':1 '1927':4,5 '56073':10,11 'columbia':8,9 'misirlou':3 'op':6,7 'versions':2
                                    'search_combo'  '00poprockelectronic':18 '1916':16C '1927':21,22 '1929':17C '56073':27,28 'american':12C 'columbia':25,26 'demetriades':3B 'diaspora':14C,15C 'miserlou':1A 'misirlou':20 'music':9C 'of':10C 'op':23,24 'ottoman':11C 'ottomanamerican':13C 'place':7C 'strange':6C 'tetos':2B 'the':8C 'to':4C 'versions':19 'what':5C
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['pulp fiction', 'rebetiko', 'rembetika', 'misirlou']
                                        'tag_date'  1927
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652398007.7737706  (2022-05-13 01:26:47)
                             'size'  9760598