======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '133'
                                          'artist'  'Ray Anthony'
                                     'text_people'  ''
                                         'release'  'Like Wild !'
                                           'title'  "Walkin' To Mother's"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'easy listening', 'instrumental', 'big band', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '129.233'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-552 POS 96'
'COMM:ID3v1 Comment:XXX'                            '59-552 POS 96'
'TALB' (Album/Movie/Show title)                     'Like Wild !'
'TBPM' (BPM (beats per minute))                     '129.233'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "Walkin' To Mother's"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray Anthony'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'easy listening', 'instrumental', 'big band', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+2.38 dB'
'TXXX:replaygain_track_peak'                        '0.432708'

========================== row from database ==========================
                                              'id'  1518340
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-552 - Ray Anthony - Walkin_ To Mother_s.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  133
                                           'genre'  prerock-swing
                                        'filesize'  5349248
                                           'mtime'  1620562681
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 552 Walkin_ Mother_s prerock swing
                                      'tag_artist'  Ray Anthony
                                     'tag_release'  Like Wild !
                                       'tag_title'  Walkin' To Mother's
                                             'bpm'  129.233
                                    'search_title'  'mother':4 'mothers':6 's':5 'to':3 'walkin':1,2
                                   'search_artist'  'anthony':2 'ray':1
                                  'search_release'  'like':1 'wild':2
                                     'search_rest'  '00oldiepop':5 '1959':6 '552':8 '59':7 'country':4 'exotica':2 'jazz':1 'mother':10 'oldies':3 'prerock':12 's':11 'swing':13 'walkin':9
                                    'search_combo'  '00oldiepop':15 '1959':16 '552':18 '59':17 'anthony':8B 'country':14 'exotica':12 'jazz':11 'like':9C 'mother':4A,20 'mothers':6A 'oldies':13 'prerock':22 'ray':7B 's':5A,21 'swing':23 'to':3A 'walkin':1A,2A,19 'wild':10C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'easy listening', 'instrumental', 'big band', 'swing']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562680.7470958  (2021-05-09 14:18:00)
                             'size'  5349248