======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'Hi-Los'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Baby Just Cares For Me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '193'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '125.160'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-327 POS 29'
'COMM:ID3v1 Comment:XXX'                            '54-327 POS 29'
'TBPM' (BPM (beats per minute))                     '125.160'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'My Baby Just Cares For Me'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hi-Los'
'TRCK' (Track number/Position in set)               '193'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'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'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.422557'

========================== row from database ==========================
                                              'id'  1431467
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-327 - Hi-Los - My Baby Just Cares For Me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  prerock-unsorted
                                        'filesize'  5470080
                                           'mtime'  1621698186
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 327 prerock unsorted
                                      'tag_artist'  Hi-Los
                                     'tag_release'  None
                                       'tag_title'  My Baby Just Cares For Me
                                             'bpm'  125.16
                                    'search_title'  'baby':2 'cares':4 'for':5 'just':3 'me':6 'my':1
                                   'search_artist'  'hi':1 'hilos':3 'los':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1954':6 '327':8 '54':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':14 '1954':15 '327':17 '54':16 'baby':2A 'cares':4A 'country':13 'exotica':11 'for':5A 'hi':7B 'hilos':9B 'jazz':10 'just':3A 'los':8B 'me':6A 'my':1A 'oldies':12 'prerock':18 'unsorted':19
                                    'tag_tracknum'  193
                                      'num_images'  0
                                             'key'  11A
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698186.293716  (2021-05-22 17:43:06)
                             'size'  5470080