======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '146'
                                          'artist'  'Link Wray'
                                     'text_people'  ''
                                         'release'  'Born Bad, Volume 7'
                                           'title'  'Rumble'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', 'surf rock', 'rock and roll', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly;rock-pop-surf'
                                             'bpm'  '85.273'
                                             'key'  '12B'
                                        'acoustid'  'e117265e-032d-4702-b9e5-934dee5bd24d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Born Bad, Volume 7'
'TBPM' (BPM (beats per minute))                     '85.273'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-rockabilly or psychobilly', 'rock-pop-surf']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Rumble'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Link Wray'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Born Bad Records'
'TRCK' (Track number/Position in set)               '16/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Wray, Link'
'TXXX:Acoustid Id'                                  'e117265e-032d-4702-b9e5-934dee5bd24d'
'TXXX:Artists'                                      'Link Wray'
'TXXX:CATALOGNUMBER'                                'BB007'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '8415485d-1304-460e-bb80-86fab2e88c2c'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '1c1c86a2-7850-47ac-8771-ae6359bae2b7'
'TXXX:MusicBrainz Release Group Id'                 '097ea52a-c6c0-40d4-a4ca-48c5ac41d784'
'TXXX:MusicBrainz Release Track Id'                 '59a6fb8a-5f59-37ed-b767-8297141b583e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['surf', 'instrumental', 'surf rock', 'rock and roll', 'rockabilly', 'rock']
'TXXX:originalyear'                                 '2003'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.426339'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ebd41cce-0e94-4c08-9188-2a95a6502ceb')

========================== row from database ==========================
                                              'id'  948655
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Born Bad Vol. 7/15 - Link Wray - Rumble.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  146
                                           'genre'  rock-rockabilly or psychobilly;rock-pop-surf
                                        'filesize'  3041268
                                           'mtime'  1620736312
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Vol. 15 rock rockabilly psychobilly;rock pop surf
                                      'tag_artist'  Link Wray
                                     'tag_release'  Born Bad, Volume 7
                                       'tag_title'  Rumble
                                             'bpm'  85.273
                                    'search_title'  'rumble':1
                                   'search_artist'  'link':1 'wray':2
                                  'search_release'  '7':5 'bad':2,3 'born':1 'volume':4
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'oldies':3 'pop':14 'psychobilly':10,12 'rock':8,11,13 'rockabilly':9 'surf':15 'va':5 'vol':6,7
                                    'search_combo'  '7':8C 'bad':5C,6C 'born':4C 'country':12 'exotica':10 'jazz':9 'link':2B 'oldies':11 'pop':22 'psychobilly':18,20 'rock':16,19,21 'rockabilly':17 'rumble':1A 'surf':23 'va':13 'vol':14,15 'volume':7C 'wray':3B
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', 'surf rock', 'rock and roll', 'rockabilly', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736312.306451  (2021-05-11 14:31:52)
                             'size'  3041268