======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '188'
                                          'artist'  'Eartha Kitt'
                                     'text_people'  ''
                                         'release'  'Eartha-Quake'
                                           'title'  'Somebody Bad Stole de Wedding Bell'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['lounge', 'jazz', 'female vocalists', 'soul', 'diva']"
                                     'discogstags'  "['jazz', 'blues', 'pop', 'folk, world, & country', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '26'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '99.177'
                                             'key'  '10B'
                                        'acoustid'  'b43c4761-4516-481f-a86d-c0878b4399fd'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Eartha-Quake'
'TBPM' (BPM (beats per minute))                     '99.177'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TCOP' (Copyright message)                          '℗ 2008 Burning Fire Records'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994-06-28'
'TIT2' (Title/songname/content description)         'Somebody Bad Stole de Wedding Bell'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eartha Kitt'
'TPE2' (Band/orchestra/accompaniment)               'Eartha Kitt'
'TPOS' (Part of a set)                              '1/5'
'TRCK' (Track number/Position in set)               '22/26'
'TSO2'                                              'Kitt, Eartha'
'TSOP' (Performer sort order)                       'Kitt, Eartha'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:ASIN'                                         'B0000282VI'
'TXXX:Acoustid Id'                                  'b43c4761-4516-481f-a86d-c0878b4399fd'
'TXXX:MusicBrainz Album Artist Id'                  '02b4a39e-04c0-4eb7-a0eb-c919f3d14154'
'TXXX:MusicBrainz Album Id'                         '422deb4d-e4b0-4ea5-a8a7-77db27c5a327'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '02b4a39e-04c0-4eb7-a0eb-c919f3d14154'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:TCMP'                                         '0'
'TXXX:discogstags'                                  ['jazz', 'blues', 'pop', 'folk, world, & country', 'stage & screen']
'TXXX:gapless_playback'                             '0'
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 '<plist version="1.0">\n'
 '<dict>\n'
 '\t<key>asset-info</key>\n'
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'TXXX:iTunNORM'                                     (' 000001FF 000001FF 00001929 0000192A 00000084 00000084 00004F70 00004F70 '
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'TXXX:iTunSMPB'                                     (' 00000000 00000840 00000204 00000000007ECDBC 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
'TXXX:major_brand'                                  'M4A '
'TXXX:media_type'                                   '1'
'TXXX:minor_version'                                '0'
'TXXX:purchase_date'                                '2008-12-29 13:34:58'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:rating'                                       '0'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.521827'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'69c5c953-14d7-4cc4-babf-110594c9a80a')

========================== row from database ==========================
                                              'id'  1455770
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Eartha Kitt/Eartha Kitt - CD 2/05 Somebody Bad Stole de Wedding Bell.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  188
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  7547231
                                           'mtime'  1620528562
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country CD 2 05 prerock jb jazz vocal
                                      'tag_artist'  Eartha Kitt
                                     'tag_release'  Eartha-Quake
                                       'tag_title'  Somebody Bad Stole de Wedding Bell
                                             'bpm'  99.177
                                    'search_title'  'bad':2 'bell':6 'de':4 'somebody':1 'stole':3 'wedding':5
                                   'search_artist'  'eartha':1 'kitt':2
                                  'search_release'  'eartha':1 'earthaquake':3 'quake':2
                                     'search_rest'  '2':6 'cd':5 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7 'vocal':9
                                    'search_combo'  '2':17 'bad':2A 'bell':6A 'cd':16 'country':15 'de':4A 'eartha':7B,9C 'earthaquake':11C 'exotica':13 'jazz':12 'jb':19 'kitt':8B 'oldies':14 'prerock':18 'quake':10C 'somebody':1A 'stole':3A 'vocal':20 'wedding':5A
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
                                        'tag_date'  1994
                                     'discogstags'  ['jazz', 'blues', 'pop', 'folk, world, & country', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1620528561.6898403  (2021-05-09 04:49:21)
                             'size'  7547231