======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '307'
                                          'artist'  'ABBA'
                                     'text_people'  'Anni-Frid Lyngstad/Benny Andersson/Björn Ulvaeus'
                                         'release'  'gay top 100'
                                           'title'  'Voulez Vous'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', '80s', '70s', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '54'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '126.726'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '[ME]'
'COMM:ID3v1 Comment:XXX'                            '[ME]'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x008\x009\x003\x007\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x004\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x006\x008\x003\x003\x001\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x008\x009\x003\x007\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x004\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x006\x008\x003\x003\x001\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:pÓHz\x18\x00cD³\x94.ä£é\x18\t'  PRIV(owner='WM/WMCollectionGroupID', data=b'p\xd3Hz\x18\x00cD\xb3\x94.\xe4\xa3\xe9\x18\t')
'PRIV:WM/WMCollectionID:pÓHz\x18\x00cD³\x94.ä£é\x18\t'  PRIV(owner='WM/WMCollectionID', data=b'p\xd3Hz\x18\x00cD\xb3\x94.\xe4\xa3\xe9\x18\t')
'PRIV:WM/WMContentID:[º\x86\x96ÓG°I¢\x00\x05a\x9b÷Ü\x99'  PRIV(owner='WM/WMContentID', data=b'[\xba\x86\x96\xd3G\xb0I\xa2\x00\x05a\x9b\xf7\xdc\x99')
'TALB' (Album/Movie/Show title)                     'gay top 100'
'TBPM' (BPM (beats per minute))                     '126.726'
'TCOM' (Composer)                                   'Anni-Frid Lyngstad/Benny Andersson/Björn Ulvaeus'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'Voulez Vous'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'ABBA'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2'
'TPUB' (Publisher)                                  'Aaom'
'TRCK' (Track number/Position in set)               '54'
'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:lastfmtags'                                   ['swedish', '80s', '70s', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.431533'

========================== row from database ==========================
                                              'id'  1361581
                                            'path'  /data/Music/Bulk/00poprockelectronic/gay top 100 - 2015/045 - ABBA - Voulez Vous.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  307
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  12325515
                                           'mtime'  1628353547
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2015 045 electronic generic or radio unsorted
                                      'tag_artist'  ABBA
                                     'tag_release'  gay top 100
                                       'tag_title'  Voulez Vous
                                             'bpm'  126.726
                                    'search_title'  'voulez':1 'vous':2
                                   'search_artist'  'abba':1
                                  'search_release'  '100':3 'gay':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 '2015':2 'electronic':3 'generic':4 'or':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':7 '100':6C '2015':8 'abba':3B 'electronic':9 'gay':4C 'generic':10 'or':11 'radio':12 'top':5C 'unsorted':13 'voulez':1A 'vous':2A
                                    'tag_tracknum'  54
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swedish', '80s', '70s', 'pop', 'disco']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353547.4175258  (2021-08-07 18:25:47)
                             'size'  12325515