======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '182'
                                          'artist'  'Harry Jacobson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Always Be In Love With You -6-1929"
                                           '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-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '123.256'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '123.256'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         "I'll Always Be In Love With You -6-1929"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Jacobson'
'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:other'                                        '1929'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.549087'

========================== row from database ==========================
                                              'id'  1511892
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Harry Jacobson - I_ll Always Be In Love With You -6-1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  182
                                           'genre'  prerock-unsorted
                                        'filesize'  3646020
                                           'mtime'  1621697931
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop I_ll prerock unsorted
                                      'tag_artist'  Harry Jacobson
                                     'tag_release'  None
                                       'tag_title'  I'll Always Be In Love With You -6-1929
                                             'bpm'  123.256
                                    'search_title'  '1929':11 '6':10 '61929':12 'always':4 'be':5 'i':1 'ill':3 'in':6 'll':2 'love':7 'with':8 'you':9
                                   'search_artist'  'harry':1 'jacobson':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'i':6 'jazz':1 'll':7 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':19 '1929':11A '6':10A '61929':12A 'always':4A 'be':5A 'country':18 'exotica':16 'harry':13B 'i':1A,20 'ill':3A 'in':6A 'jacobson':14B 'jazz':15 'll':2A,21 'love':7A 'oldies':17 'prerock':22 'unsorted':23 'with':8A 'you':9A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1929
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697931.0717022  (2021-05-22 17:38:51)
                             'size'  3646020