======================== unified (from filesystem) ========================
                                         'bitrate'  '209.151'
                                        'duration'  '167'
                                          'artist'  'Chrome Hoof'
                                     'text_people'  ''
                                         'release'  'Crush Depth'
                                           'title'  'Labyrinth'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'avant garde', 'funk', 'experimental', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '104.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x9d%\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x9d%\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:http://www.cdtag.com:\x02\x00Ñ\x19\x19\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xd1\x19\x19\x00')
'TALB' (Album/Movie/Show title)                     'Crush Depth'
'TBPM' (BPM (beats per minute))                     '104.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2010-05-00'
'TENC' (Encoded by)                                 'Buy The Original CD/Vinyl, Support The Artists!'
'TIT2' (Title/songname/content description)         'Labyrinth'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Chrome Hoof'
'TPE2' (Band/orchestra/accompaniment)               'Chrome Hoof'
'TPUB' (Publisher)                                  'Southern Records'
'TRCK' (Track number/Position in set)               '04'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Catalog #'                                    '28162-2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Promo'
'TXXX:Rip date'                                     '2010-04-30'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:Supplier'                                     'Buy The Original CD/Vinyl, Support The Artists!'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['electronic', 'avant garde', 'funk', 'experimental', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.321553'

========================== row from database ==========================
                                              'id'  724837
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/chrome hoof/2010 - Crush Depth #04 - Labyrinth.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  167
                                           'genre'  electronic-experimental
                                        'filesize'  4454794
                                           'mtime'  1622801419
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm chrome hoof 2010 #04 electronic experimental
                                      'tag_artist'  Chrome Hoof
                                     'tag_release'  Crush Depth
                                       'tag_title'  Labyrinth
                                             'bpm'  104.7
                                    'search_title'  'labyrinth':1
                                   'search_artist'  'chrome':1 'hoof':2
                                  'search_release'  'crush':1 'depth':2
                                     'search_rest'  '04':4,5 '2010':3 'chrome':1 'electronic':6 'experimental':7 'hoof':2
                                    'search_combo'  '04':9,10 '2010':8 'chrome':2B,6 'crush':4C 'depth':5C 'electronic':11 'experimental':12 'hoof':3B,7 'labyrinth':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'avant garde', 'funk', 'experimental', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622801418.9578354  (2021-06-04 12:10:18)
                             'size'  4454794