======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '124'
                                          'artist'  'The Shirelles'
                                     'text_people'  'Lowman Pauling/Ralph Bass'
                                         'release'  '25 All-Time Greatest Hits'
                                           'title'  'Dedicated To The One I Love'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'oldies', 'female vocalists', 'soul', 'pop', 'girl groups']"
                                     'discogstags'  "['rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '84.596'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-478 POS 73                     '
'COMM:ID3v1 Comment:XXX'                            '59-478 POS 73'
'TALB' (Album/Movie/Show title)                     '25 All-Time Greatest Hits'
'TBPM' (BPM (beats per minute))                     '84.596'
'TCOM' (Composer)                                   'Lowman Pauling/Ralph Bass'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Dedicated To The One I Love'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirelles'
'TPE2' (Band/orchestra/accompaniment)               'The Shirelles'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop']
'TXXX:lastfmtags'                                   ['60s', 'oldies', 'female vocalists', 'soul', 'pop', 'girl groups']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.437884'

========================== row from database ==========================
                                              'id'  1437998
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-478 - Shirelles - Dedicated To The One I Love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  124
                                           'genre'  prerock-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4982656
                                           'mtime'  1620346024
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 478 prerock unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The Shirelles
                                     'tag_release'  25 All-Time Greatest Hits
                                       'tag_title'  Dedicated To The One I Love
                                             'bpm'  84.596
                                    'search_title'  'dedicated':1 'i':5 'love':6 'one':4 'the':3 'to':2
                                   'search_artist'  'shirelles':2 'the':1
                                  'search_release'  '25':1 'all':2 'alltime':4 'greatest':5 'hits':6 'time':3
                                     'search_rest'  '00oldiepop':5 '1959':6 '478':8 '59':7 'country':4 'exotica':2 'jazz':1 'mor':19 'oldies':3 'pl':14 'prerock':9 'set':11,13,16,18 'shirleyspinoza':15,17 'unsorted':10,12
                                    'search_combo'  '00oldiepop':19 '1959':20 '25':9C '478':22 '59':21 'all':10C 'alltime':12C 'country':18 'dedicated':1A 'exotica':16 'greatest':13C 'hits':14C 'i':5A 'jazz':15 'love':6A 'mor':33 'oldies':17 'one':4A 'pl':28 'prerock':23 'set':25,27,30,32 'shirelles':8B 'shirleyspinoza':29,31 'the':3A,7B 'time':11C 'to':2A 'unsorted':24,26
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'oldies', 'female vocalists', 'soul', 'pop', 'girl groups']
                                        'tag_date'  1959
                                     'discogstags'  ['rock', 'pop']

============================== file details ==============================
                                           'mtime'  1620346023.5033529  (2021-05-07 02:07:03)
                             'size'  4982656