======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '180'
                                          'artist'  'De Vliegende Panters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Houdoe'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['nederlandstalig', 'comedy', 'humor', 'all', 'dutch', 'cabaret']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '16'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '92.602'
                                             'key'  '6A'
                                        'acoustid'  'e04aec59-e87d-4616-a7fb-ac5916c198b0'
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.602'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Houdoe'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'De Vliegende Panters'
'TPE2' (Band/orchestra/accompaniment)               'De Vliegende Panters'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Varagram'
'TRCK' (Track number/Position in set)               '4/16'
'TSO2'                                              'Vliegende Panters, De'
'TSOP' (Performer sort order)                       'Vliegende Panters, De'
'TXXX:Acoustid Id'                                  'e04aec59-e87d-4616-a7fb-ac5916c198b0'
'TXXX:Artists'                                      'De Vliegende Panters'
'TXXX:CATALOGNUMBER'                                '6301043'
'TXXX:Mp3gain_minmax'                               '137,191'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['nederlandstalig', 'comedy', 'humor', 'all', 'dutch', 'cabaret']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.748021'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'34021e8f-970b-47d6-b915-21e02c33e78f')

========================== row from database ==========================
                                              'id'  1403544
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Top 40/houdoe[1].mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  180
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  1443876
                                           'mtime'  1621630027
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Top 40 houdoe[1] electronic generic or radio dance
                                      'tag_artist'  De Vliegende Panters
                                     'tag_release'  None
                                       'tag_title'  Houdoe
                                             'bpm'  92.602
                                    'search_title'  'houdoe':1
                                   'search_artist'  'de':1 'panters':3 'vliegende':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1':8 '40':6 'dance':3 'electronic':10 'generic':2 'houdoe':7 'houdoe1':9 'or':11 'radio':12 'top':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':5 '1':12 '40':10 'dance':7 'de':2B 'electronic':14 'generic':6 'houdoe':1A,11 'houdoe1':13 'or':15 'panters':4B 'radio':16 'top':9 'trapbeat':8 'vliegende':3B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'comedy', 'humor', 'all', 'dutch', 'cabaret']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630026.7317429  (2021-05-21 22:47:06)
                             'size'  1443876