======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '142'
                                          'artist'  'Moonglows'
                                     'text_people'  ''
                                         'release'  '20th Century Masters - The Millennium Collection: The Best of the Moonglows'
                                           'title'  'Please Send Me Someone To Love'
                                           'quals'  ("['Q-JZFKS-2', '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-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['doo wop', '50s', 'oldies', 'rhythm and blues', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '380'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '121.994'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '20th Century Masters - The Millennium Collection: The Best of the Moonglows'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Please Send Me Someone To Love'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '142001'
'TPE1' (Lead performer(s)/Soloist(s))               'Moonglows'
'TRCK' (Track number/Position in set)               '380'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['doo wop', '50s', 'oldies', 'rhythm and blues', 'soul']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.07 dB'
'TXXX:replaygain_track_peak'                        '0.531876'

========================== row from database ==========================
                                              'id'  1436186
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/57-380 - Moonglows - Please Send Me Someone To Love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  prerock-unsorted
                                        'filesize'  5706689
                                           'mtime'  1620387720
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 57 380 prerock unsorted
                                      'tag_artist'  Moonglows
                                     'tag_release'  20th Century Masters - The Millennium Collection: The Best of the Moonglows
                                       'tag_title'  Please Send Me Someone To Love
                                             'bpm'  121.994
                                    'search_title'  'love':6 'me':3 'please':1 'send':2 'someone':4 'to':5
                                   'search_artist'  'moonglows':1
                                  'search_release'  '20th':1 'best':8 'century':2 'collection':6,7 'masters':3 'millennium':5 'moonglows':10 'of':9 'the':4
                                     'search_rest'  '00oldiepop':5 '1957':6 '380':8 '57':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':22 '1957':23 '20th':8C '380':25 '57':24 'best':15C 'century':9C 'collection':13C,14C 'country':21 'exotica':19 'jazz':18 'love':6A 'masters':10C 'me':3A 'millennium':12C 'moonglows':7B,17C 'of':16C 'oldies':20 'please':1A 'prerock':26 'send':2A 'someone':4A 'the':11C 'to':5A 'unsorted':27
                                    'tag_tracknum'  380
                                      'num_images'  1
                                             'key'  9B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['doo wop', '50s', 'oldies', 'rhythm and blues', 'soul']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387720.3330605  (2021-05-07 13:42:00)
                             'size'  5706689