======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Cal Tjader'
                                     'text_people'  'Lalo Schifrin'
                                         'release'  'Several Shades of Jade / Breeze From the East'
                                           'title'  'Song of the Yellow River'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', "
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 "'q-piano-1', 'q-vocals-1', 'Q-SYN-2', 'Q-PLAY-3', 'Q-CHART-3', "
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                                      'lastfmtags'  "['jazz', 'latin jazz', 'latin', 'vibraphone', 'fip', 'bossa nova']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '22'
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '103.7'
                                             'key'  '7A'
                                        'acoustid'  '8c077a63-c7cf-4fde-a898-a266ad6b3f7f'
rest: ''

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'TALB' (Album/Movie/Show title)                     'Several Shades of Jade / Breeze From the East'
'TBPM' (BPM (beats per minute))                     '103.7'
'TCOM' (Composer)                                   'Lalo Schifrin'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         'Song of the Yellow River'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cal Tjader'
'TPE2' (Band/orchestra/accompaniment)               'Cal Tjader'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Verve'
'TRCK' (Track number/Position in set)               '5/22'
'TSO2'                                              'Tjader, Cal'
'TSOP' (Performer sort order)                       'Tjader, Cal'
'TXXX:ASIN'                                         'B0000047E8'
'TXXX:Acoustid Id'                                  '8c077a63-c7cf-4fde-a898-a266ad6b3f7f'
'TXXX:Artists'                                      'Cal Tjader'
'TXXX:BARCODE'                                      '731453708327'
'TXXX:CATALOGNUMBER'                                '314 537 083-2'
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'TXXX:MusicBrainz Album Id'                         '759de67d-d2d4-4a5e-bc99-28c1c6066026'
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'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
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'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['jazz', 'latin jazz', 'latin', 'vibraphone', 'fip', 'bossa nova']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.69 dB'
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========================== row from database ==========================
                                              'id'  1484229
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/cal tjader - 1963 - several shades of jade (with lalo schifrin)/05 song of the yellow river.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4905959
                                           'mtime'  1620540555
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy cal tjader 1963 several shades (with lalo schifrin) 05 song yellow river prerock jb jazz unsorted
                                      'tag_artist'  Cal Tjader
                                     'tag_release'  Several Shades of Jade / Breeze From the East
                                       'tag_title'  Song of the Yellow River
                                             'bpm'  103.7
                                    'search_title'  'of':2 'river':5 'song':1 'the':3 'yellow':4
                                   'search_artist'  'cal':1 'tjader':2
                                  'search_release'  'breeze':5 'east':8 'from':6 'jade':4 'of':3 'several':1 'shades':2 'the':7
                                     'search_rest'  '1963':4 'cal':2 'classicprogpsy':1 'jazz':17 'jb':16 'lalo':9 'prerock':15 'river':14 'schifrin':10,11 'several':5 'shades':6 'song':12 'tjader':3 'unsorted':18 'with':7,8 'yellow':13
                                    'search_combo'  '1963':19 'breeze':12C 'cal':6B,17 'classicprogpsy':16 'east':15C 'from':13C 'jade':11C 'jazz':32 'jb':31 'lalo':24 'of':2A,10C 'prerock':30 'river':5A,29 'schifrin':25,26 'several':8C,20 'shades':9C,21 'song':1A,27 'the':3A,14C 'tjader':7B,18 'unsorted':33 'with':22,23 'yellow':4A,28
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-3', 'q-drums-3', 'Q-SYN-2', 'q-other-4', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['jazz', 'latin jazz', 'latin', 'vibraphone', 'fip', 'bossa nova']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540555.4382453  (2021-05-09 08:09:15)
                             'size'  4905959