======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Johnny Pate Quintet'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Swinging Shepherd Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['derivative', 'tequila copy']"
                                     'discogstags'  "['jazz', 'rhythm & blues', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '111.948'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-291 POS 43'
'COMM:ID3v1 Comment:XXX'                            '58-291 POS 43'
'TBPM' (BPM (beats per minute))                     '111.948'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Swinging Shepherd Blues'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Pate Quintet'
'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:discogstags'                                  ['jazz', 'rhythm & blues', 'blues']
'TXXX:lastfmtags'                                   ['derivative', 'tequila copy']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.462397'

========================== row from database ==========================
                                              'id'  1437096
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-291 - Johnny Pate Quintet - Swinging Shepherd Blues.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  prerock-unsorted
                                        'filesize'  6289280
                                           'mtime'  1621698373
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 291 prerock unsorted
                                      'tag_artist'  Johnny Pate Quintet
                                     'tag_release'  None
                                       'tag_title'  Swinging Shepherd Blues
                                             'bpm'  111.948
                                    'search_title'  'blues':3 'shepherd':2 'swinging':1
                                   'search_artist'  'johnny':1 'pate':2 'quintet':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1958':6 '291':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':11 '1958':12 '291':14 '58':13 'blues':3A 'country':10 'exotica':8 'jazz':7 'johnny':4B 'oldies':9 'pate':5B 'prerock':15 'quintet':6B 'shepherd':2A 'swinging':1A 'unsorted':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['derivative', 'tequila copy']
                                        'tag_date'  1958
                                     'discogstags'  ['jazz', 'rhythm & blues', 'blues']

============================== file details ==============================
                                           'mtime'  1621698372.7559643  (2021-05-22 17:46:12)
                             'size'  6289280