======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '155'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Between the keys - microtonal masterpieces of the 20th century'
                                           'title'  'First Interlude'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['trance', 'jazz', 'electronic', 'techno', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '24'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '106.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000041 0000002B 00000840 0000041B 0000FD0F 0000FD0F 0000312D 00003178 '
 '0002167D 0002167D')
'COMM:iTunes_CDDB_IDs:eng'                          '24+0D86E73803348B887A6D196F4474F09B+46731'
'TALB' (Album/Movie/Show title)                     'Between the keys - microtonal masterpieces of the 20th century'
'TBPM' (BPM (beats per minute))                     '106.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'iTunes v4.0.1'
'TIT2' (Title/songname/content description)         'First Interlude'
'TKEY' (Initial key)                                '8B'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10/24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['trance', 'jazz', 'electronic', 'techno', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.905639'

========================== row from database ==========================
                                              'id'  431202
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Between the Keys/Microtonal Masterpieces/10.Interlude1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  155
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3731261
                                           'mtime'  1622801194
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Keys Microtonal Masterpieces 10.Interlude1 electronic experimental oddness
                                      'tag_artist'  Various Artists
                                     'tag_release'  Between the keys - microtonal masterpieces of the 20th century
                                       'tag_title'  First Interlude
                                             'bpm'  106.0
                                    'search_title'  'first':1 'interlude':2
                                   'search_artist'  'artists':2 'various':1
                                  'search_release'  '20th':7 'between':1 'century':8 'keys':3 'masterpieces':5 'microtonal':4 'of':6 'the':2
                                     'search_rest'  '10':4 '10interlude1':6 'electronic':7 'experimental':8 'interlude1':5 'keys':1 'masterpieces':3 'microtonal':2 'oddness':9
                                    'search_combo'  '10':14 '10interlude1':16 '20th':9C 'between':3C 'century':10C 'electronic':17 'experimental':18 'first':1A 'interlude':2A 'interlude1':15 'keys':5C,11 'masterpieces':7C,13 'microtonal':6C,12 'oddness':19 'of':8C 'the':4C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'jazz', 'electronic', 'techno', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801193.8875518  (2021-06-04 12:06:33)
                             'size'  3731261