======================== unified (from filesystem) ========================
                                         'bitrate'  '125.89'
                                        'duration'  '236'
                                          'artist'  'Nina Hagen'
                                     'text_people'  ''
                                         'release'  'Street'
                                           'title'  'Berlin (is dufte!)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'new wave', 'post punk', 'punk', 'female vocalists']"
                                     'discogstags'  "['electronic', 'leftfield', 'dub', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '114.673'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Street'
'TBPM' (BPM (beats per minute))                     '114.673'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991-07-23'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Berlin (is dufte!)'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Hagen'
'TPE2' (Band/orchestra/accompaniment)               'Nina Hagen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mercury Records'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Hagen, Nina'
'TSOP' (Performer sort order)                       'Hagen, Nina'
'TXXX:ASIN'                                         'B000025X0U'
'TXXX:BARCODE'                                      '042284871624'
'TXXX:CATALOGNUMBER'                                '848716-2'
'TXXX:MusicBrainz Album Artist Id'                  'e4d32f51-bc57-42a4-8165-b80f7a86496d'
'TXXX:MusicBrainz Album Id'                         '1023c860-afc7-4b58-9f75-5c499e214063'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e4d32f51-bc57-42a4-8165-b80f7a86496d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'dub', 'synth-pop']
'TXXX:lastfmtags'                                   ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.716998'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6dafea0d-6cb2-4c11-bce9-6a5f34f6f3fa')

========================== row from database ==========================
                                              'id'  172175
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Nina Hagen/Nina Hagen-Street-1991/06 - Berlin (Is Dufte!).mp3
                                         'working'  None
                                         'bitrate'  125
                                    'duration_sec'  236
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3733055
                                           'mtime'  1620646454
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1991 06 (Is Dufte!) electronic we new wave or post punk
                                      'tag_artist'  Nina Hagen
                                     'tag_release'  Street
                                       'tag_title'  Berlin (is dufte!)
                                             'bpm'  114.673
                                    'search_title'  'berlin':1 'dufte':4,5 'is':2,3
                                   'search_artist'  'hagen':2 'nina':1
                                  'search_release'  'street':1
                                     'search_rest'  '00singer':1 '1991':4 'dufte':7,8 'electronic':9 'eos':3 'is':5,6 'new':11 'or':13 'post':14 'punk':15 'songwriter':2 'wave':12 'we':10
                                    'search_combo'  '00singer':9 '1991':12 'berlin':1A 'dufte':4A,5A,15,16 'electronic':17 'eos':11 'hagen':7B 'is':2A,3A,13,14 'new':19 'nina':6B 'or':21 'post':22 'punk':23 'songwriter':10 'street':8C 'wave':20 'we':18
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
                                        'tag_date'  1991
                                     'discogstags'  ['electronic', 'leftfield', 'dub', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620646453.5795298  (2021-05-10 13:34:13)
                             'size'  3733055