======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '144'
                                          'artist'  'Aretha Franklin'
                                     'text_people'  ''
                                         'release'  'gay top 100'
                                           'title'  'Respect'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
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                                      'lastfmtags'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '114.934'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'gay top 100'
'TBPM' (BPM (beats per minute))                     '114.934'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Respect'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aretha Franklin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:CT_GAPLESS_DATA'                              '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.512645'

========================== row from database ==========================
                                              'id'  1287068
                                            'path'  /data/Music/Bulk/00poprockelectronic/gay top 100 - 2015/067 - Anita Franklin - Respect.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  144
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  2311795
                                           'mtime'  1628353548
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2015 067 Anita electronic generic or radio unsorted
                                      'tag_artist'  Aretha Franklin
                                     'tag_release'  gay top 100
                                       'tag_title'  Respect
                                             'bpm'  114.934
                                    'search_title'  'respect':1
                                   'search_artist'  'aretha':1 'franklin':2
                                  'search_release'  '100':3 'gay':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 '2015':2 'anita':3 'electronic':4 'generic':5 'or':6 'radio':7 'unsorted':8
                                    'search_combo'  '00poprockelectronic':7 '100':6C '2015':8 'anita':9 'aretha':2B 'electronic':10 'franklin':3B 'gay':4C 'generic':11 'or':12 'radio':13 'respect':1A 'top':5C 'unsorted':14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353548.1351857  (2021-08-07 18:25:48)
                             'size'  2311795