======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '219'
                                          'artist'  'Destructo'
                                     'text_people'  ''
                                         'release'  'Tellus #08: USA/Germany'
                                           'title'  'Alcohol'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['drum and bass', 'electronic', 'darkstep', 'techno', 'tech house']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '84.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #08: USA/Germany'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Alcohol'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Destructo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['drum and bass', 'electronic', 'darkstep', 'techno', 'tech house']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.12 dB'
'TXXX:replaygain_track_peak'                        '0.433912'

========================== row from database ==========================
                                              'id'  465864
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1985 - Tellus #08 - UsaGermany/05 - Destructo - Alcohol.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  219
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  5297608
                                           'mtime'  1621697655
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1985 UsaGermany 05 electronic experimental oddness
                                      'tag_artist'  Destructo
                                     'tag_release'  Tellus #08: USA/Germany
                                       'tag_title'  Alcohol
                                             'bpm'  84.1
                                    'search_title'  'alcohol':1
                                   'search_artist'  'destructo':1
                                  'search_release'  '08':2,3 'germany':5 'tellus':1 'usa':4 'usagermany':6
                                     'search_rest'  '1985':4 'audio':1 'cassette':2 'electronic':6 'experimental':7 'germany':10 'magazine':3 'oddness':8 'usa':9 'usagermany':5
                                    'search_combo'  '08':4C,5C '1985':12 'alcohol':1A 'audio':9 'cassette':10 'destructo':2B 'electronic':14 'experimental':15 'germany':7C,18 'magazine':11 'oddness':16 'tellus':3C 'usa':6C,17 'usagermany':8C,13
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['drum and bass', 'electronic', 'darkstep', 'techno', 'tech house']
                                        'tag_date'  1985
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621697655.12628  (2021-05-22 17:34:15)
                             'size'  5297608