======================== unified (from filesystem) ========================
                                         'bitrate'  '174.083'
                                        'duration'  '406'
                                          'artist'  'Joni Mitchell'
                                     'text_people'  ''
                                         'release'  'The Hissing Of Summer Lawns'
                                           'title'  "Harry's House / Centerpiece"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['jazz', 'rock', 'pop', 'contemporary jazz', 'jazz-rock', 'soft rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '145.895'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '6C09FD0A'
'COMM:ID3v1 Comment:XXX'                            '6C09FD0A'
'TALB' (Album/Movie/Show title)                     'The Hissing Of Summer Lawns'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         "Harry's House / Centerpiece"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joni Mitchell'
'TRCK' (Track number/Position in set)               '8/10'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock', 'pop', 'contemporary jazz', 'jazz-rock', 'soft rock']
'TXXX:lastfmtags'                                   ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.841380'

========================== row from database ==========================
                                              'id'  1505186
                                            'path'  /data/Music/Bulk/00poprockelectronic/Joni Mitchell/The Hissing Of Summer Lawns/Joni Mitchell - 08 - Harry_s House - Centerpiece.mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  406
                                           'genre'  ifs-songwriter
                                        'filesize'  8850706
                                           'mtime'  1637330732
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 Harry_s ifs songwriter
                                      'tag_artist'  Joni Mitchell
                                     'tag_release'  The Hissing Of Summer Lawns
                                       'tag_title'  Harry's House / Centerpiece
                                             'bpm'  145.895
                                    'search_title'  'centerpiece':5 'harry':1 'harrys':3 'house':4 's':2
                                   'search_artist'  'joni':1 'mitchell':2
                                  'search_release'  'hissing':2 'lawns':5 'of':3 'summer':4 'the':1
                                     'search_rest'  '00poprockelectronic':1 'harry':2 'ifs':4 's':3 'songwriter':5
                                    'search_combo'  '00poprockelectronic':13 'centerpiece':5A 'harry':1A,14 'harrys':3A 'hissing':9C 'house':4A 'ifs':16 'joni':6B 'lawns':12C 'mitchell':7B 'of':10C 's':2A,15 'songwriter':17 'summer':11C 'the':8C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1989
                                     'discogstags'  ['jazz', 'rock', 'pop', 'contemporary jazz', 'jazz-rock', 'soft rock']

============================== file details ==============================
                                           'mtime'  1637330731.5416944  (2021-11-19 15:05:31)
                             'size'  8850706