======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '263'
                                          'artist'  'Swod'
                                     'text_people'  ''
                                         'release'  'Gehen'
                                           'title'  'Nein'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'Q-PLAY-3', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['piano', 'idm', 'electronic', 'minimal', 'ambient']"
                                     'discogstags'  "['modern classical', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '145.580'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gehen'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-08-23'
'TIT2' (Title/songname/content description)         'Nein'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Swod'
'TPE2' (Band/orchestra/accompaniment)               'Swod'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'City Centre Offices'
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Swod'
'TSOP' (Performer sort order)                       'Swod'
'TXXX:ASIN'                                         'B0002TY3WK'
'TXXX:BARCODE'                                      '880918002125'
'TXXX:CATALOGNUMBER'                                'TOWERBLOCK 021 CD'
'TXXX:MusicBrainz Album Artist Id'                  '62d34f46-7e70-4a5a-b51c-9c1fdc4fdca2'
'TXXX:MusicBrainz Album Id'                         '5e760dec-67cc-40fe-a23c-8e08aa6137d3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '62d34f46-7e70-4a5a-b51c-9c1fdc4fdca2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['modern classical', 'electronic']
'TXXX:lastfmtags'                                   ['piano', 'idm', 'electronic', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.746477'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'afe1f4fa-58b4-4ba0-8e2d-ded5f9a2faf3')

========================== row from database ==========================
                                              'id'  170051
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Swod/Swod - (2004) Gehen/03. Swod - Nein.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  263
                                           'genre'  electronic
                                        'filesize'  10530397
                                           'mtime'  1636912735
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (2004) 03. electronic
                                      'tag_artist'  Swod
                                     'tag_release'  Gehen
                                       'tag_title'  Nein
                                             'bpm'  145.58
                                    'search_title'  'nein':1
                                   'search_artist'  'swod':1
                                  'search_release'  'gehen':1
                                     'search_rest'  '03':3,4 '2004':1,2 'electronic':5
                                    'search_combo'  '03':6,7 '2004':4,5 'electronic':8 'gehen':3C 'nein':1A 'swod':2B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['piano', 'idm', 'electronic', 'minimal', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['modern classical', 'electronic']

============================== file details ==============================
                                           'mtime'  1636912735.2740972  (2021-11-14 18:58:55)
                             'size'  10530397