======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'Bob Marley & The Wailers'
                                     'text_people'  'Bunny Wailer'
                                         'release'  'Man To Man [Disc 3]'
                                           'title'  'Tread Oh'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-HHRNBTT-2', "
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 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', 'roots', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '24'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '102.333'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000D89 00000D18 00020C13 00020384 000119D6 000119D6 000084BA 000084EB '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009A8 0000000000757B48 00000000 003FE24A 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '24+97D0E11314CEF843D3BD1F9116B44004+6590588'
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'TBPM' (BPM (beats per minute))                     '102.333'
'TCOM' (Composer)                                   'Bunny Wailer'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'Tread Oh'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Marley & The Wailers'
'TPOS' (Part of a set)                              '3/4'
'TRCK' (Track number/Position in set)               '7/24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['reggae', 'roots reggae', 'ska', 'roots', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.371883'

========================== row from database ==========================
                                              'id'  759300
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Bob Marley & The Wailers - Tread Oh.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  set-th-novelty
                                        'filesize'  4193955
                                           'mtime'  1621628466
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Bob Marley & The Wailers
                                     'tag_release'  Man To Man [Disc 3]
                                       'tag_title'  Tread Oh
                                             'bpm'  102.333
                                    'search_title'  'oh':2 'tread':1
                                   'search_artist'  'bob':1 'marley':2 'the':3 'wailers':4
                                  'search_release'  '3':5,6 'disc':3,4 'man':1 'to':2
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '3':11C,12C 'baby':20,21 'bob':3B 'chow':18,19 'country':16 'disc':9C,10C 'exotica':14 'jazz':13 'man':7C 'marley':4B 'novelty':24 'oh':2A 'oldies':15 'set':22 'th':23 'the':5B 'to':8C 'tread':1A 'wailers':6B 'zimelis':17
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'ska', 'roots', 'classic rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628465.5692065  (2021-05-21 22:21:05)
                             'size'  4193955