======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '293'
                                          'artist'  'Swod'
                                     'text_people'  ''
                                         'release'  'Sekunden'
                                           'title'  'Sekunden'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', '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'  '4'
                                      'tracktotal'  '9'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '140.238'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sekunden'
'TBPM' (BPM (beats per minute))                     '140.238'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-08-07'
'TIT2' (Title/songname/content description)         'Sekunden'
'TKEY' (Initial key)                                '9B'
'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)               '4/9'
'TSO2'                                              'Swod'
'TSOP' (Performer sort order)                       'Swod'
'TXXX:ASIN'                                         'B000TZGQOA'
'TXXX:BARCODE'                                      '880918069128'
'TXXX:CATALOGNUMBER'                                'TOWERBLOCK 041 CD'
'TXXX:MusicBrainz Album Artist Id'                  '62d34f46-7e70-4a5a-b51c-9c1fdc4fdca2'
'TXXX:MusicBrainz Album Id'                         '55ef0003-7b0a-435e-a49c-5c09fa6d3fe0'
'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'                                      '4'
'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'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.699081'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd7557cf1-9f69-4739-b66d-40148b084529')

========================== row from database ==========================
                                              'id'  154292
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Swod/Swod - (2007) Sekunden/04. Swod - Sekunden.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  293
                                           'genre'  electronic
                                        'filesize'  11727850
                                           'mtime'  1636912741
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (2007) 04. electronic
                                      'tag_artist'  Swod
                                     'tag_release'  Sekunden
                                       'tag_title'  Sekunden
                                             'bpm'  140.238
                                    'search_title'  'sekunden':1
                                   'search_artist'  'swod':1
                                  'search_release'  'sekunden':1
                                     'search_rest'  '04':3,4 '2007':1,2 'electronic':5
                                    'search_combo'  '04':6,7 '2007':4,5 'electronic':8 'sekunden':1A,3C 'swod':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['piano', 'idm', 'electronic', 'minimal', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['modern classical', 'electronic']

============================== file details ==============================
                                           'mtime'  1636912741.2222886  (2021-11-14 18:59:01)
                             'size'  11727850