======================== unified (from filesystem) ========================
                                         'bitrate'  '227.87'
                                        'duration'  '105'
                                          'artist'  'Peter Pan Speedrock'
                                     'text_people'  ''
                                         'release'  'Premium Quality...Serve Loud!'
                                           'title'  'Auf der Axe'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock n roll/rock/hard rock/dutch/speedrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-speed'
                                             'bpm'  '144.645'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Premium Quality...Serve Loud!'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-speed'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-11-05'
'TIT2' (Title/songname/content description)         'Auf der Axe'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Pan Speedrock'
'TPE2' (Band/orchestra/accompaniment)               'Peter Pan Speedrock'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Suburban'
'TRCK' (Track number/Position in set)               '5/13'
'TSO2'                                              'Peter Pan Speedrock'
'TSOP' (Performer sort order)                       'Peter Pan Speedrock'
'TXXX:ASIN'                                         'B0000630V0'
'TXXX:Artists'                                      'Peter Pan Speedrock'
'TXXX:BARCODE'                                      '8716059999326'
'TXXX:CATALOGNUMBER'                                'BURBCD 019'
'TXXX:MusicBrainz Album Artist Id'                  '986691af-d52c-48ad-9aef-e37562f26f4d'
'TXXX:MusicBrainz Album Id'                         '9c85c2aa-21c1-4ba1-a35d-94f7300f5eb6'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '986691af-d52c-48ad-9aef-e37562f26f4d'
'TXXX:MusicBrainz Release Group Id'                 'b7b53274-cc5c-37ec-b546-e6669aac0ad7'
'TXXX:MusicBrainz Release Track Id'                 '0a19ae34-26d8-31f2-9606-0aa5d1405800'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   'rock n roll/rock/hard rock/dutch/speedrock'
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.377960'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dfcb22e4-0c5d-4fca-91e6-c5c368af8651')

========================== row from database ==========================
                                              'id'  1491720
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Premium Quality...Serve Loud/05 Auf Der Axe.wma.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  105
                                           'genre'  rock-gr-speed
                                        'filesize'  3098354
                                           'mtime'  1636917490
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 05 Der Axe.wma gr speed
                                      'tag_artist'  Peter Pan Speedrock
                                     'tag_release'  Premium Quality...Serve Loud!
                                       'tag_title'  Auf der Axe
                                             'bpm'  144.645
                                    'search_title'  'auf':1 'axe':3 'der':2
                                   'search_artist'  'pan':2 'peter':1 'speedrock':3
                                  'search_release'  'loud':5 'premium':1 'quality':2 'qualityserve':4 'serve':3
                                     'search_rest'  '00dutch':4 '00mid':1 'axe':6 'axewma':8 'der':5 'europe':3 'gr':9 'north':2 'speed':10 'wma':7
                                    'search_combo'  '00dutch':15 '00mid':12 'auf':1A 'axe':3A,17 'axewma':19 'der':2A,16 'europe':14 'gr':20 'loud':11C 'north':13 'pan':5B 'peter':4B 'premium':7C 'quality':8C 'qualityserve':10C 'serve':9C 'speed':21 'speedrock':6B 'wma':18
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock n roll/rock/hard rock/dutch/speedrock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917489.9049423  (2021-11-14 20:18:09)
                             'size'  3098354