======================== unified (from filesystem) ========================
                                         'bitrate'  '56.0'
                                        'duration'  '204'
                                          'artist'  'Skaos'
                                     'text_people'  ''
                                         'release'  'Back to Live'
                                           'title'  'Straight to Your Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', '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-1']")
                                      'lastfmtags'  "['german', 'ska punk', 'german ska', 'ska', 'reggae']"
                                     'discogstags'  "['ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '22'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '114.3'
                                             'key'  '7B'
                                        'acoustid'  '35baf459-899b-4a05-a6fe-2e77292077a3'
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '43126016'
'TALB' (Album/Movie/Show title)                     'Back to Live'
'TBPM' (BPM (beats per minute))                     '114.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Straight to Your Heart'
'TKEY' (Initial key)                                '7B'
'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)               '15/22'
'TSO2'                                              'Skaos'
'TSOP' (Performer sort order)                       'Skaos'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, Fraunhofer acm, 56 kBit/s, 44,100 Hz, Mono, HQ = on'
'TXXX:ASIN'                                         'B000028919'
'TXXX:Acoustid Id'                                  '35baf459-899b-4a05-a6fe-2e77292077a3'
'TXXX:BARCODE'                                      '0718750462527'
'TXXX:CATALOGNUMBER'                                'Efa CD 04625-2'
'TXXX:MusicBrainz Album Artist Id'                  '94f0ece3-e67a-4e0c-b221-587d6fe16e50'
'TXXX:MusicBrainz Album Id'                         '95804d99-d4f6-4c1d-8163-4a4cc412a9b7'
'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:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'ska'
'TXXX:lastfmtags'                                   ['german', 'ska punk', 'german ska', 'ska', 'reggae']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.940473'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b7a01338-ac35-40d6-9d11-a1fd32bdf50a')

========================== row from database ==========================
                                              'id'  1476339
                                            'path'  /data/Music/Bulk/00localcharacter/Skaos/Back to Live/15___TRACK_15.mp3
                                         'working'  None
                                         'bitrate'  56
                                    'duration_sec'  204
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  1438560
                                           'mtime'  1620532816
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 15___TRACK_15 rock gr punk ska
                                      'tag_artist'  Skaos
                                     'tag_release'  Back to Live
                                       'tag_title'  Straight to Your Heart
                                             'bpm'  114.3
                                    'search_title'  'heart':4 'straight':1 'to':2 'your':3
                                   'search_artist'  'skaos':1
                                  'search_release'  'back':1 'live':3 'to':2
                                     'search_rest'  '15':1,3 'gr':5 'punk':6 'rock':4 'ska':7 'track':2
                                    'search_combo'  '15':9,11 'back':6C 'gr':13 'heart':4A 'live':8C 'punk':14 'rock':12 'ska':15 'skaos':5B 'straight':1A 'to':2A,7C 'track':10 'your':3A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'ska punk', 'german ska', 'ska', 'reggae']
                                        'tag_date'  1989
                                     'discogstags'  ['ska']

============================== file details ==============================
                                           'mtime'  1620532816.24332  (2021-05-09 06:00:16)
                             'size'  1438560