======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '176'
                                          'artist'  'Teresa Brewer'
                                     'text_people'  ''
                                         'release'  'Music! Music! Music!: The Best of Teresa Brewer'
                                           'title'  'A Sweet Old Fashioned Girl'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'jazz', 'female vocalists', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '049'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '116.120'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music! Music! Music!: The Best of Teresa Brewer'
'TBPM' (BPM (beats per minute))                     '116.120'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'A Sweet Old Fashioned Girl'
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '176400'
'TPE1' (Lead performer(s)/Soloist(s))               'Teresa Brewer'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '049'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.95 dB'
'TXXX:replaygain_track_peak'                        '0.296542'

========================== row from database ==========================
                                              'id'  1445562
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-049 - Teresa Brewer - A Sweet Old Fashioned Girl.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  176
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  7060409
                                           'mtime'  1620527733
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 049 prerock jb jazz vocal
                                      'tag_artist'  Teresa Brewer
                                     'tag_release'  Music! Music! Music!: The Best of Teresa Brewer
                                       'tag_title'  A Sweet Old Fashioned Girl
                                             'bpm'  116.12
                                    'search_title'  'a':1 'fashioned':4 'girl':5 'old':3 'sweet':2
                                   'search_artist'  'brewer':2 'teresa':1
                                  'search_release'  'best':4 'brewer':7 'music':1,2 'of':5 'teresa':6 'the':3
                                     'search_rest'  '00oldiepop':5 '1956':6 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7 'vocal':9
                                    'search_combo'  '00oldiepop':19 '1956':20 'a':1A 'best':11C 'brewer':7B,14C 'country':18 'exotica':16 'fashioned':4A 'girl':5A 'jazz':15 'jb':22 'music':8C,9C 'of':12C 'old':3A 'oldies':17 'prerock':21 'sweet':2A 'teresa':6B,13C 'the':10C 'vocal':23
                                    'tag_tracknum'  49
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527733.169748  (2021-05-09 04:35:33)
                             'size'  7060409