======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Syl Johnson'
                                     'text_people'  ''
                                         'release'  'Complete Mythology(Disc 4)'
                                           'title'  'Thank You Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '93.414'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '93.414'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Thank You Baby'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Syl Johnson'
'TPE2' (Band/orchestra/accompaniment)               'Syl Johnson'
'TPOS' (Part of a set)                              '4/4'
'TPUB' (Publisher)                                  'Numero'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.422158'

========================== row from database ==========================
                                              'id'  1275163
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Syl Johnson-Complete Mythology (2010)/403. thank you baby.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  funk or soul-funk
                                        'filesize'  6350743
                                           'mtime'  1620665712
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul (2010) 403. thank you baby funk or soul funk
                                      'tag_artist'  Syl Johnson
                                     'tag_release'  Complete Mythology(Disc 4)
                                       'tag_title'  Thank You Baby
                                             'bpm'  93.414
                                    'search_title'  'baby':3 'thank':1 'you':2
                                   'search_artist'  'johnson':2 'syl':1
                                  'search_release'  '4':5,6 'complete':1 'disc':3 'mythology':2 'mythologydisc':4
                                     'search_rest'  '2010':4,5 '403':6,7 'baby':10 'funk':2 'or':11 'soul':3 'swing':1 'thank':8 'you':9
                                    'search_combo'  '2010':15,16 '4':10C,11C '403':17,18 'baby':3A,21 'complete':6C 'disc':8C 'funk':13 'johnson':5B 'mythology':7C 'mythologydisc':9C 'or':22 'soul':14 'swing':12 'syl':4B 'thank':1A,19 'you':2A,20
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665712.2064347  (2021-05-10 18:55:12)
                             'size'  6350743