======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '64'
                                          'artist'  'Lucifer'
                                     'text_people'  ''
                                         'release'  'Black Mass'
                                           'title'  'ESP'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['death metal', 'hard rock', 'doom metal', 'psychedelic rock', 'occult rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '142.7'
                                             'key'  '8A'
                                        'acoustid'  '9869d4a9-e5f4-4ab1-800e-bca2d59d6ff9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Black Mass'
'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'ESP'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Mort Garson'
'TPE2' (Band/orchestra/accompaniment)               'Lucifer'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'MCA Records'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Lucifer'
'TSOP' (Performer sort order)                       'Lucifer'
'TXXX:Acoustid Id'                                  '9869d4a9-e5f4-4ab1-800e-bca2d59d6ff9'
'TXXX:Artists'                                      'Lucifer'
'TXXX:CATALOGNUMBER'                                'MCA-170'
'TXXX:MusicBrainz Album Artist Id'                  '5b3a39e2-4a6d-4192-96e5-e724c0d3ac87'
'TXXX:MusicBrainz Album Id'                         '4cff44c5-81a5-482e-b5d1-b2655a158cc7'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5b3a39e2-4a6d-4192-96e5-e724c0d3ac87'
'TXXX:MusicBrainz Release Group Id'                 '1041a8d4-fa25-3f01-bfa8-ad9ec3aa3de3'
'TXXX:MusicBrainz Release Track Id'                 'deb32d51-a1ab-4632-bcdd-079d5100d026'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['death metal', 'hard rock', 'doom metal', 'psychedelic rock', 'occult rock']
'TXXX:originalyear'                                 '1971'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.439660'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd0a83d95-3d27-4a2c-aab7-4106611f5eb1')

========================== row from database ==========================
                                              'id'  734666
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/lucifer (aka mort garson) - black mass (1971)/1971 - Mort Garson - Lucifer Black Mass - 10 - Esp.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  64
                                           'genre'  electronic-experimental
                                        'filesize'  1870020
                                           'mtime'  1636917335
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm lucifer (aka mort garson) black mass (1971) 1971 Mort Garson 10 Esp electronic experimental
                                      'tag_artist'  Lucifer
                                     'tag_release'  Black Mass
                                       'tag_title'  ESP
                                             'bpm'  142.7
                                    'search_title'  'esp':1
                                   'search_artist'  'lucifer':1
                                  'search_release'  'black':1 'mass':2
                                     'search_rest'  '1971':9,10 'aka':2,3 'black':7 'electronic':12 'esp':11 'experimental':13 'garson':5,6 'lucifer':1 'mass':8 'mort':4
                                    'search_combo'  '1971':13,14 'aka':6,7 'black':3C,11 'electronic':16 'esp':1A,15 'experimental':17 'garson':9,10 'lucifer':2B,5 'mass':4C,12 'mort':8
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['death metal', 'hard rock', 'doom metal', 'psychedelic rock', 'occult rock']
                                        'tag_date'  1980
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917334.904984  (2021-11-14 20:15:34)
                             'size'  1870020