======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '200'
                                          'artist'  'Ruth Etting'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "You're Getting To Be A Habit W"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', 'jazz', 'oldies', '30s', 'female vocalists', 'roaring 20s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '146.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1932'
'TIT2' (Title/songname/content description)         "You're Getting To Be A Habit W"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ruth Etting'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['20s', 'jazz', 'oldies', '30s', 'female vocalists', 'roaring 20s']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.635879'

========================== row from database ==========================
                                              'id'  1497094
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1932/Ruth Etting - You_re Getting To Be A Habit With Me (Ben Selvin) 16-12-1932.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  200
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4064166
                                           'mtime'  1620525880
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1932 You_re With Me (Ben Selvin) 16 12 1932 prerock jb jazz unsorted
                                      'tag_artist'  Ruth Etting
                                     'tag_release'  None
                                       'tag_title'  You're Getting To Be A Habit W
                                             'bpm'  146.0
                                    'search_title'  'a':7 'be':6 'getting':4 'habit':8 're':2 'to':5 'w':9 'you':1 'youre':3
                                   'search_artist'  'etting':2 'ruth':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1932':6 'ben':11,12 'country':4 'exotica':2 'jazz':1 'jb':16 'me':10 'oldies':3 'prerock':15 're':8 'selvin':13,14 'unsorted':17 'with':9 'you':7
                                    'search_combo'  '00oldiepop':16 '1932':17 'a':7A 'be':6A 'ben':22,23 'country':15 'etting':11B 'exotica':13 'getting':4A 'habit':8A 'jazz':12 'jb':27 'me':21 'oldies':14 'prerock':26 're':2A,19 'ruth':10B 'selvin':24,25 'to':5A 'unsorted':28 'w':9A 'with':20 'you':1A,18 'youre':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['20s', 'jazz', 'oldies', '30s', 'female vocalists', 'roaring 20s']
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525879.9207013  (2021-05-09 04:04:39)
                             'size'  4064166