======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '421'
                                          'artist'  'Aix Em Klemm'
                                     'text_people'  ''
                                         'release'  'Aix Em Klemm'
                                           'title'  'Sparkwood and Twentyone'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['atmospheric', 'drone', 'post rock', 'minimal', 'ambient']"
                                     'discogstags'  "['rock', 'space rock', 'electronic', 'drone', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '6'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '112.947'
                                             'key'  '9B'
                                        'acoustid'  '86688df9-43e1-4af7-938c-0c7ceeab9c32'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'KRANK044'
'COMM:ID3v1 Comment:XXX'                            'KRANK044'
'TALB' (Album/Movie/Show title)                     'Aix Em Klemm'
'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-10-26'
'TIT2' (Title/songname/content description)         'Sparkwood and Twentyone'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Aix Em Klemm'
'TPE2' (Band/orchestra/accompaniment)               'Aix Em Klemm'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Kranky'
'TRCK' (Track number/Position in set)               '6/6'
'TSO2'                                              'Aix Em Klemm'
'TSOP' (Performer sort order)                       'Aix Em Klemm'
'TSRC' (ISRC (international standard recording code))  'USI4R0401871'
'TXXX:Acoustid Id'                                  '86688df9-43e1-4af7-938c-0c7ceeab9c32'
'TXXX:CATALOGNUMBER'                                'KRANK 044 LP'
'TXXX:MusicBrainz Album Artist Id'                  '86217185-7f95-483b-aaf5-842f62efd1ba'
'TXXX:MusicBrainz Album Id'                         '5dcef014-9ab3-3d95-8a39-9fd9c385981f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '86217185-7f95-483b-aaf5-842f62efd1ba'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'space rock', 'electronic', 'drone', 'ambient']
'TXXX:lastfmtags'                                   ['atmospheric', 'drone', 'post rock', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.629532'

========================== row from database ==========================
                                              'id'  1333816
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/2000 Aix Em Klemm - Aix Em Klemm/06 Sparkwood And Twentyone.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  421
                                           'genre'  electronic
                                        'filesize'  17135616
                                           'mtime'  1636913028
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 2000 06 And electronic
                                      'tag_artist'  Aix Em Klemm
                                     'tag_release'  Aix Em Klemm
                                       'tag_title'  Sparkwood and Twentyone
                                             'bpm'  112.947
                                    'search_title'  'and':2 'sparkwood':1 'twentyone':3
                                   'search_artist'  'aix':1 'em':2 'klemm':3
                                  'search_release'  'aix':1 'em':2 'klemm':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2000':3 'and':4 'electronic':5
                                    'search_combo'  '00calmer':11 '00poprockelectronic':10 '2000':12 'aix':4B,7C 'and':2A,13 'electronic':14 'em':5B,8C 'klemm':6B,9C 'sparkwood':1A 'twentyone':3A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['atmospheric', 'drone', 'post rock', 'minimal', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'space rock', 'electronic', 'drone', 'ambient']

============================== file details ==============================
                                           'mtime'  1636913028.1767824  (2021-11-14 19:03:48)
                             'size'  17135616