======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '156'
                                          'artist'  'The Raindrops'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  'Let4s Go Together'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['60s', 'pop', 'oldies', 'girl group sound', 'girl groups']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '177'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '143.416'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Let4s Go Together'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Raindrops'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '177'
'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:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['60s', 'pop', 'oldies', 'girl group sound', 'girl groups']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.455172'

========================== row from database ==========================
                                              'id'  1501140
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/177 Raindrops - Let_s go together (05-30-64).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2507964
                                           'mtime'  1620528351
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 177 Let_s go together (05 30 64) prerock jb jazz unsorted
                                      'tag_artist'  The Raindrops
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  Let4s Go Together
                                             'bpm'  143.416
                                    'search_title'  'go':2 'let4s':1 'together':3
                                   'search_artist'  'raindrops':2 'the':1
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '05':15,16 '11':6,7 '177':10 '30':17 '63':8,9 '64':18,19 'country':4 'exotica':2 'go':13 'jazz':1 'jb':21 'let':11 'oldies':3 'prerock':20 's':12 'together':14 'under':5 'unsorted':22
                                    'search_combo'  '05':23,24 '11':14,15 '177':18 '30':25 '5':8C '63':16,17 '64':26,27 'bubbling':6C 'country':12 'exotica':10 'go':2A,21 'jazz':9 'jb':29 'let':19 'let4s':1A 'oldies':11 'prerock':28 'raindrops':5B 's':20 'the':4B 'together':3A,22 'under':7C,13 'unsorted':30
                                    'tag_tracknum'  177
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'pop', 'oldies', 'girl group sound', 'girl groups']
                                        'tag_date'  1964
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620528350.813983  (2021-05-09 04:45:50)
                             'size'  2507964