======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Bo Carter'
                                     'text_people'  ''
                                         'release'  "The Copulatin' Blues"
                                           'title'  'Please Warm My Weiner'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country blues', 'blues', 'delta blues', 'folk']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '118.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "The Copulatin' Blues"
'TBPM' (BPM (beats per minute))                     '118.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Please Warm My Weiner'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bo Carter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mojo'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['country blues', 'blues', 'delta blues', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.50 dB'
'TXXX:replaygain_track_peak'                        '0.585278'

========================== row from database ==========================
                                              'id'  648250
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Bo_Carter_-_Please_Warm_My_Weiner.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  prerock-jb-blues
                                        'filesize'  2871336
                                           'mtime'  1620402947
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music for maniacs Bo_Carter_ _Please_Warm_My_Weiner prerock jb blues
                                      'tag_artist'  Bo Carter
                                     'tag_release'  The Copulatin' Blues
                                       'tag_title'  Please Warm My Weiner
                                             'bpm'  118.7
                                    'search_title'  'my':3 'please':1 'warm':2 'weiner':4
                                   'search_artist'  'bo':1 'carter':2
                                  'search_release'  'blues':4 'copulatin':2,3 'the':1
                                     'search_rest'  'blues':12 'bo':4 'carter':5 'for':2 'jb':11 'maniacs':3 'music':1 'my':8 'please':6 'prerock':10 'warm':7 'weiner':9
                                    'search_combo'  'blues':10C,22 'bo':5B,14 'carter':6B,15 'copulatin':8C,9C 'for':12 'jb':21 'maniacs':13 'music':11 'my':3A,18 'please':1A,16 'prerock':20 'the':7C 'warm':2A,17 'weiner':4A,19
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country blues', 'blues', 'delta blues', 'folk']
                                        'tag_date'  1987
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620402946.9370172  (2021-05-07 17:55:46)
                             'size'  2871336