======================== unified (from filesystem) ========================
                                         'bitrate'  '199.644'
                                        'duration'  '208'
                                          'artist'  'Skaos'
                                     'text_people'  ''
                                         'release'  'Ham & Eggs'
                                           'title'  'I Spy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'ska punk', 'german ska', 'ska', 'reggae']"
                                     'discogstags'  "['ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '16'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '126.252'
                                             'key'  '9A'
                                        'acoustid'  '636a8bcd-b5fa-4c80-b314-d9cd950413a4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ham & Eggs'
'TBPM' (BPM (beats per minute))                     '126.252'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska-punk'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'I Spy'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Skaos'
'TPE2' (Band/orchestra/accompaniment)               'Skaos'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Pork Pie'
'TRCK' (Track number/Position in set)               '7/16'
'TSO2'                                              'Skaos'
'TSOP' (Performer sort order)                       'Skaos'
'TXXX:ASIN'                                         'B000024IQP'
'TXXX:Acoustid Id'                                  '636a8bcd-b5fa-4c80-b314-d9cd950413a4'
'TXXX:Artists'                                      'Skaos'
'TXXX:BARCODE'                                      '718750463920'
'TXXX:CATALOGNUMBER'                                '04639-2'
'TXXX:MusicBrainz Album Artist Id'                  '94f0ece3-e67a-4e0c-b221-587d6fe16e50'
'TXXX:MusicBrainz Album Id'                         '9aa57310-3ae4-4bf2-8da5-6f7f78a49f22'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '94f0ece3-e67a-4e0c-b221-587d6fe16e50'
'TXXX:MusicBrainz Release Group Id'                 '8f2aec36-2f96-3263-bdfd-b7a1561da418'
'TXXX:MusicBrainz Release Track Id'                 '57657430-67af-3aab-80cd-d7c9cd198c37'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'ska'
'TXXX:lastfmtags'                                   ['german', 'ska punk', 'german ska', 'ska', 'reggae']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.397028'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3bb5c83d-b5d0-41ae-b709-01336a7413e3')

========================== row from database ==========================
                                              'id'  1276854
                                            'path'  /data/Music/Bulk/00localcharacter/Skaos/Ham & Eggs/07.  I spy.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  208
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  5231619
                                           'mtime'  1620523672
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 07. spy loc style reggae or dub or ska or dancehall ska punk
                                      'tag_artist'  Skaos
                                     'tag_release'  Ham & Eggs
                                       'tag_title'  I Spy
                                             'bpm'  126.252
                                    'search_title'  'i':1 'spy':2
                                   'search_artist'  'skaos':1
                                  'search_release'  'eggs':2 'ham':1
                                     'search_rest'  '07':1,2 'dancehall':10 'dub':8 'loc':4 'or':7 'punk':11 'reggae':6 'ska':9 'spy':3 'style':5
                                    'search_combo'  '07':6,7 'dancehall':15 'dub':13 'eggs':5C 'ham':4C 'i':1A 'loc':9 'or':12 'punk':16 'reggae':11 'ska':14 'skaos':3B 'spy':2A,8 'style':10
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'ska punk', 'german ska', 'ska', 'reggae']
                                        'tag_date'  1997
                                     'discogstags'  ['ska']

============================== file details ==============================
                                           'mtime'  1620523671.6556957  (2021-05-09 03:27:51)
                             'size'  5231619