======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '198'
                                          'artist'  'Victoria Spivey'
                                     'text_people'  ''
                                         'release'  'Complete Recorded Works Vol 1 (1926-1927)'
                                           'title'  'No More Jelly Bean Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1920s', 'blues', 'jazz', 'female vocalists', '20s']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1925'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-candy'
                                             'bpm'  '86.511'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Complete Recorded Works Vol 1 (1926-1927)'
'TBPM' (BPM (beats per minute))                     '86.511'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-candy']
'TDRC' (Recording time)                             '1925'
'TIT2' (Title/songname/content description)         'No More Jelly Bean Blues'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '198504'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Victoria Spivey'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['1920s', 'blues', 'jazz', 'female vocalists', '20s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.388593'

========================== row from database ==========================
                                              'id'  735928
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Victoria Spivey - No More Jelly Bean Blues.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  prerock-jb-jazz-unsorted;set-th-candy
                                        'filesize'  3178120
                                           'mtime'  1620538097
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets prerock jb jazz unsorted;set th candy
                                      'tag_artist'  Victoria Spivey
                                     'tag_release'  Complete Recorded Works Vol 1 (1926-1927)
                                       'tag_title'  No More Jelly Bean Blues
                                             'bpm'  86.511
                                    'search_title'  'bean':4 'blues':5 'jelly':3 'more':2 'no':1
                                   'search_artist'  'spivey':2 'victoria':1
                                  'search_release'  '1':5 '1926':6 '19261927':8 '1927':7 'complete':1 'recorded':2 'vol':4 'works':3
                                     'search_rest'  'candy':13 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'set':9,11 'sweets':5 'th':12 'unsorted':8,10
                                    'search_combo'  '1':12C '1926':13C '19261927':15C '1927':14C 'bean':4A 'blues':5A 'candy':28 'complete':8C 'country':19 'exotica':17 'jazz':16 'jb':22 'jelly':3A 'more':2A 'no':1A 'oldies':18 'prerock':21 'recorded':9C 'set':24,26 'spivey':7B 'sweets':20 'th':27 'unsorted':23,25 'victoria':6B 'vol':11C 'works':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1920s', 'blues', 'jazz', 'female vocalists', '20s']
                                        'tag_date'  1925
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620538096.776787  (2021-05-09 07:28:16)
                             'size'  3178120