======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '173'
                                          'artist'  'Alphabet Bombers'
                                     'text_people'  ''
                                         'release'  'Wreckless'
                                           'title'  'Mugshot'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'psychobilly', 'punk', 'american', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '126.410'
                                             'key'  '10A'
                                        'acoustid'  '841f5a2c-59ba-4c89-b616-da6e1fc45917'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
"PRIV:AverageLevel:¡'\x00\x00"                      PRIV(owner='AverageLevel', data=b"\xa1'\x00\x00")
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Wreckless'
'TBPM' (BPM (beats per minute))                     '126.410'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2002'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', '']])
'TIT2' (Title/songname/content description)         'Mugshot'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '173000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Alphabet Bombers'
'TPE2' (Band/orchestra/accompaniment)               'Alphabet Bombers'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Alphabet Bombers'
'TSOP' (Performer sort order)                       'Alphabet Bombers'
'TXXX:ASIN'                                         'B00007GZBW'
'TXXX:Acoustid Id'                                  '841f5a2c-59ba-4c89-b616-da6e1fc45917'
'TXXX:Artists'                                      'Alphabet Bombers'
'TXXX:MusicBrainz Album Artist Id'                  'e2509559-6868-48fe-98f9-432738490f69'
'TXXX:MusicBrainz Album Id'                         'dedf1725-1dd7-48fd-b9f5-f14065d0a574'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e2509559-6868-48fe-98f9-432738490f69'
'TXXX:MusicBrainz Release Group Id'                 '5c83b872-da6d-36d3-b5d1-602bb770a3a5'
'TXXX:MusicBrainz Release Track Id'                 'e6b98bd9-4bb3-3f66-b628-c853407c78c3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['punk rock', 'psychobilly', 'punk', 'american', 'rockabilly']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.13 dB'
'TXXX:replaygain_track_peak'                        '0.540629'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'640204e1-09aa-4139-9097-eceb731a5562')

========================== row from database ==========================
                                              'id'  1312175
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Alphabet Bombers/wreckless/07 - mugshot.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  2787960
                                           'mtime'  1620526042
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica wreckless 07 mugshot rock rockabilly or psychobilly
                                      'tag_artist'  Alphabet Bombers
                                     'tag_release'  Wreckless
                                       'tag_title'  Mugshot
                                             'bpm'  126.41
                                    'search_title'  'mugshot':1
                                   'search_artist'  'alphabet':1 'bombers':2
                                  'search_release'  'wreckless':1
                                     'search_rest'  '00poprockelectronic':1 'mugshot':4 'musica':2 'or':7 'psychobilly':8 'rock':5 'rockabilly':6 'wreckless':3
                                    'search_combo'  '00poprockelectronic':5 'alphabet':2B 'bombers':3B 'mugshot':1A,8 'musica':6 'or':11 'psychobilly':12 'rock':9 'rockabilly':10 'wreckless':4C,7
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['punk rock', 'psychobilly', 'punk', 'american', 'rockabilly']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526041.8409042  (2021-05-09 04:07:21)
                             'size'  2787960