======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '56'
                                          'artist'  'Matthew Nash'
                                     'text_people'  ''
                                         'release'  'Tellus #16: Tango'
                                           'title'  "Tango En Forme D'une Minuette"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['experimental', 'all', 'bizzare', 'hauntology', 'playbox']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '120.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #16: Tango'
'TBPM' (BPM (beats per minute))                     '120.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         "Tango En Forme D'une Minuette"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Matthew Nash'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['experimental', 'all', 'bizzare', 'hauntology', 'playbox']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.600428'

========================== row from database ==========================
                                              'id'  1520336
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1986 - Tellus #16 - Tango/12 - Matthew Nash - Tango En Forme D_une Minuette.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  56
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1651330
                                           'mtime'  1636914625
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1986 12 D_une electronic experimental oddness
                                      'tag_artist'  Matthew Nash
                                     'tag_release'  Tellus #16: Tango
                                       'tag_title'  Tango En Forme D'une Minuette
                                             'bpm'  120.3
                                    'search_title'  'd':4 'dune':6 'en':2 'forme':3 'minuette':7 'tango':1 'une':5
                                   'search_artist'  'matthew':1 'nash':2
                                  'search_release'  '16':2,3 'tango':4 'tellus':1
                                     'search_rest'  '1986':4 'audio':1 'cassette':2 'd':5 'electronic':7 'experimental':8 'magazine':3 'oddness':9 'une':6
                                    'search_combo'  '16':11C,12C '1986':17 'audio':14 'cassette':15 'd':4A,18 'dune':6A 'electronic':20 'en':2A 'experimental':21 'forme':3A 'magazine':16 'matthew':8B 'minuette':7A 'nash':9B 'oddness':22 'tango':1A,13C 'tellus':10C 'une':5A,19
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'all', 'bizzare', 'hauntology', 'playbox']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914625.0704906  (2021-11-14 19:30:25)
                             'size'  1651330