======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '131'
                                          'artist'  'Jefferson Airplane'
                                     'text_people'  'Balin/Spence'
                                         'release'  'The Best Of Jefferson Airplane'
                                           'title'  'Blues From an Airplane'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']"
                                     'discogstags'  "['rock', 'psychedelic rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '21'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '106.981'
                                             'key'  '9A'
                                        'acoustid'  'e98a0ffd-cb1d-43c2-a96b-2f6f59e5318a'
rest: ''

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

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'PRIV:AverageLevel:{\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x11\x00\x00')
'PRIV:PeakValue:!i\x00\x00'                         PRIV(owner='PeakValue', data=b'!i\x00\x00')
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00k\x00i\x00M\x00u\x00s\x00i\x00c\x00a\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00k\x00i\x00M\x00u\x00s\x00i\x00c\x00a\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:/`õop7\x0eI\x9b_ÍVfÇ&À'  PRIV(owner='WM/WMCollectionGroupID', data=b'/`\xf5op7\x0eI\x9b_\xcdVf\xc7&\xc0')
'PRIV:WM/WMCollectionID:/`õop7\x0eI\x9b_ÍVfÇ&À'     PRIV(owner='WM/WMCollectionID', data=b'/`\xf5op7\x0eI\x9b_\xcdVf\xc7&\xc0')
'PRIV:WM/WMContentID:2ñ\t£$Ø\x97O\x90ÝùS\x99ªø\x06'  PRIV(owner='WM/WMContentID', data=b'2\xf1\t\xa3$\xd8\x97O\x90\xdd\xf9S\x99\xaa\xf8\x06')
'TALB' (Album/Movie/Show title)                     'The Best Of Jefferson Airplane'
'TBPM' (BPM (beats per minute))                     '106.981'
'TCOM' (Composer)                                   'Balin/Spence'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex', 'rock-cppex', 'rock-cppex-psychedelic']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Blues From an Airplane'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '132173'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jefferson Airplane'
'TPE2' (Band/orchestra/accompaniment)               'Jefferson Airplane'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bmg'
'TRCK' (Track number/Position in set)               '6/21'
'TSO2'                                              'Jefferson Airplane'
'TSOP' (Performer sort order)                       'Jefferson Airplane'
'TSRC' (ISRC (international standard recording code))  'USRC10300989'
'TXXX:Acoustid Id'                                  'e98a0ffd-cb1d-43c2-a96b-2f6f59e5318a'
'TXXX:BARCODE'                                      '743218410222'
'TXXX:MusicBrainz Album Artist Id'                  '39c2a93d-9afa-4a22-9bba-c087ab056e1c'
'TXXX:MusicBrainz Album Id'                         '60e4862d-a678-499c-96ce-7b84c73f9d42'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '39c2a93d-9afa-4a22-9bba-c087ab056e1c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'psychedelic rock', 'classic rock']
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.419311'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'00230ca5-a5f8-4a99-a318-aeadd6397930')

========================== row from database ==========================
                                              'id'  1410113
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/1996 - jefferson airplane journey...the best of/06 - Blues from an airplane.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  131
                                           'genre'  rock-cppex;rock-cppex-psychedelic
                                        'filesize'  3170916
                                           'mtime'  1636915265
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1996 jefferson airplane journey...the best of 06 from airplane rock cppex;rock cppex psychedelic
                                      'tag_artist'  Jefferson Airplane
                                     'tag_release'  The Best Of Jefferson Airplane
                                       'tag_title'  Blues From an Airplane
                                             'bpm'  106.981
                                    'search_title'  'airplane':4 'an':3 'blues':1 'from':2
                                   'search_artist'  'airplane':2 'jefferson':1
                                  'search_release'  'airplane':5 'best':2 'jefferson':4 'of':3 'the':1
                                     'search_rest'  '1996':2 'airplane':4 'best':8 'classicprogpsy':1 'cppex':12,14,16 'from':10 'jefferson':3 'journey':5 'journeythe':7 'of':9 'psychedelic':17 'rock':11,13,15 'the':6
                                    'search_combo'  '1996':13 'airplane':4A,6B,11C,15 'an':3A 'best':8C,19 'blues':1A 'classicprogpsy':12 'cppex':23,25,27 'from':2A,21 'jefferson':5B,10C,14 'journey':16 'journeythe':18 'of':9C,20 'psychedelic':28 'rock':22,24,26 'the':7C,17
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'psychedelic rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1636915265.3862536  (2021-11-14 19:41:05)
                             'size'  3170916