======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Bert Williams'
                                     'text_people'  ''
                                         'release'  'Columbia  3575'
                                           'title'  "I've Such A Funny Feeling When I Look At You"
                                           '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-3', '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'  "['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1906'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '106.925'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia  3575'
'TBPM' (BPM (beats per minute))                     '106.925'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1906'
'TIT2' (Title/songname/content description)         "I've Such A Funny Feeling When I Look At You"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bert Williams'
'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:lastfmtags'                                   ['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+2.54 dB'
'TXXX:replaygain_track_peak'                        '0.559200'

========================== row from database ==========================
                                              'id'  1508541
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1906/Bert Williams - I_ve Such A Funny Feeling When I Look At You 29-9-1906.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-vocal
                                        'filesize'  3348274
                                           'mtime'  1620665900
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1906 I_ve 29 9 1906 prerock vocal
                                      'tag_artist'  Bert Williams
                                     'tag_release'  Columbia  3575
                                       'tag_title'  I've Such A Funny Feeling When I Look At You
                                             'bpm'  106.925
                                    'search_title'  'a':5 'at':11 'feeling':7 'funny':6 'i':1,9 'ive':3 'look':10 'such':4 've':2 'when':8 'you':12
                                   'search_artist'  'bert':1 'williams':2
                                  'search_release'  '3575':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1906':6 '29':9 '9':10 'country':4 'exotica':2 'i':7 'jazz':1 'oldies':3 'prerock':11 've':8 'vocal':12
                                    'search_combo'  '00oldiepop':21 '1906':22 '29':25 '3575':16C '9':26 'a':5A 'at':11A 'bert':13B 'columbia':15C 'country':20 'exotica':18 'feeling':7A 'funny':6A 'i':1A,9A,23 'ive':3A 'jazz':17 'look':10A 'oldies':19 'prerock':27 'such':4A 've':2A,24 'vocal':28 'when':8A 'williams':14B 'you':12A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']
                                        'tag_date'  1906
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665900.198531  (2021-05-10 18:58:20)
                             'size'  3348274