======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '327'
                                          'artist'  'Love'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Live and Let Live'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;set-pl-sced'
                                             'bpm'  '122.957'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '8'
'COMM:iTunNORM:eng'                                 (' 00000533 0000046E 000054C8 00004731 00049282 00049268 00006B0C 00006F82 '
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'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B40 0000000000DC8930 00000000 0077F8A8 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            '750A120B+193573+11+183+15033+30953+46083+61935+75648+97085+113225+137805+151960+162828'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '8'
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '122.957'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'set-pl-sced']
'TDRC' (Recording time)                             '1967'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         'Live and Let Live'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Love'
'TPE2' (Band/orchestra/accompaniment)               'Love'
'TRCK' (Track number/Position in set)               '8/11'
'TSOP' (Performer sort order)                       'Love'
'TXXX:Artists'                                      'Love'
'TXXX:MusicBrainz Artist Id'                        '34ec9a8d-c65b-48fd-bcdd-aad2f72fdb47'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.49 dB'
'TXXX:replaygain_track_peak'                        '0.520498'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e6f87002-6ba5-4184-a8a8-b32048ab3fc5')

========================== row from database ==========================
                                              'id'  422066
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Love/[1967] Forever Changes/08 Live and let live.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  327
                                           'genre'  ifs-songwriter-indie;set-pl-sced
                                        'filesize'  7930953
                                           'mtime'  1637330425
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [1967] Forever Changes 08 let live ifs songwriter indie;set pl sced
                                      'tag_artist'  Love
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Live and Let Live
                                             'bpm'  122.957
                                    'search_title'  'and':2 'let':3 'live':1
                                   'search_artist'  'love':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00singer':1 '1967':4,5 'changes':7 'eos':3 'forever':6 'ifs':10 'indie':11,13 'let':8 'live':9 'pl':15 'sced':16 'set':12,14 'songwriter':2
                                    'search_combo'  '00singer':10 '1967':13,14 'album':6C 'and':2A 'changes':16 'eos':12 'forever':15 'ifs':19 'indie':20,22 'let':3A,17 'live':1A,18 'love':4B 'non':5C 'nonalbum':7C 'pl':24 'sced':25 'set':21,23 'songwriter':11 'tracks':8C,9C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330425.397301  (2021-11-19 15:00:25)
                             'size'  7930953