======================== unified (from filesystem) ========================
                                         'bitrate'  '214.186'
                                        'duration'  '109'
                                          'artist'  'Muslimgauze'
                                     'text_people'  ''
                                         'release'  'Your Mines in Kabul'
                                           'title'  'Gutted Snapper'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'Q-PLAY-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['idm', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '106.925'
                                             'key'  '1A'
                                        'acoustid'  '3b68aff3-9976-410a-a5d8-8cee4f187976'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Your Mines in Kabul'
'TBPM' (BPM (beats per minute))                     '106.925'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2000-09-00'
'TIT2' (Title/songname/content description)         'Gutted Snapper'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muslimgauze'
'TPE2' (Band/orchestra/accompaniment)               'Muslimgauze'
'TPOS' (Part of a set)                              '2/3'
'TRCK' (Track number/Position in set)               '4/11'
'TSO2'                                              'Muslimgauze'
'TSOP' (Performer sort order)                       'Muslimgauze'
'TXXX:Acoustid Id'                                  '3b68aff3-9976-410a-a5d8-8cee4f187976'
'TXXX:CATALOGNUMBER'                                'MUSLIMLIM 026'
'TXXX:LABEL'                                        'Staalplaat'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Album Id'                         '42bd71ee-a22b-4331-bbf1-7c58fe3adf50'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Track Id'                         'cb2e9579-5d4f-4e17-8d90-70cf42c62ef5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.418091'

========================== row from database ==========================
                                              'id'  1110253
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/Your Mines In Kabul/2-04 Gutted Snapper.mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  109
                                           'genre'  loc-m
                                        'filesize'  2936446
                                           'mtime'  1620527589
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter In 2 04 loc
                                      'tag_artist'  Muslimgauze
                                     'tag_release'  Your Mines in Kabul
                                       'tag_title'  Gutted Snapper
                                             'bpm'  106.925
                                    'search_title'  'gutted':1 'snapper':2
                                   'search_artist'  'muslimgauze':1
                                  'search_release'  'in':3 'kabul':4 'mines':2 'your':1
                                     'search_rest'  '2':2 'in':1 'loc':3
                                    'search_combo'  '2':9 'gutted':1A 'in':6C,8 'kabul':7C 'loc':10 'mines':5C 'muslimgauze':3B 'snapper':2A 'your':4C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527589.3460698  (2021-05-09 04:33:09)
                             'size'  2936446