======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '186'
                                          'artist'  'Ethel Waters'
                                     'text_people'  ''
                                         'release'  'Chronogical Classics - 1934-1934'
                                           'title'  "Miss Otis Regrets (She's Unable To Lunch Today)"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'blues', 'jazz', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '288'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '136.459'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Chronogical Classics - 1934-1934'
'TBPM' (BPM (beats per minute))                     '136.459'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "Miss Otis Regrets (She's Unable To Lunch Today)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ethel Waters'
'TPE2' (Band/orchestra/accompaniment)               'Ethel Waters'
'TRCK' (Track number/Position in set)               '288'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal jazz', 'blues', 'jazz', 'female vocalists']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.94 dB'
'TXXX:replaygain_track_peak'                        '0.707040'

========================== row from database ==========================
                                              'id'  1514028
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/137 ethel waters - miss otis regrets (she_s unable to lunch today).mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  186
                                           'genre'  prerock-jb-blues
                                        'filesize'  1491235
                                           'mtime'  1620401490
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 137 ethel waters miss otis regrets (she_s unable to lunch today) prerock jb blues
                                      'tag_artist'  Ethel Waters
                                     'tag_release'  Chronogical Classics - 1934-1934
                                       'tag_title'  Miss Otis Regrets (She's Unable To Lunch Today)
                                             'bpm'  136.459
                                    'search_title'  'lunch':9 'miss':1 'otis':2 'regrets':3 's':5 'she':4 'shes':6 'to':8 'today':10,11 'unable':7
                                   'search_artist'  'ethel':1 'waters':2
                                  'search_release'  '1934':3,4 '19341934':5 'chronogical':1 'classics':2
                                     'search_rest'  '00oldiepop':5 '137':6 'blues':23 'country':4 'ethel':7 'exotica':2 'jazz':1 'jb':22 'lunch':18 'miss':9 'oldies':3 'otis':10 'prerock':21 'regrets':11 's':13,15 'she':12,14 'to':17 'today':19,20 'unable':16 'waters':8
                                    'search_combo'  '00oldiepop':23 '137':24 '1934':16C,17C '19341934':18C 'blues':41 'chronogical':14C 'classics':15C 'country':22 'ethel':12B,25 'exotica':20 'jazz':19 'jb':40 'lunch':9A,36 'miss':1A,27 'oldies':21 'otis':2A,28 'prerock':39 'regrets':3A,29 's':5A,31,33 'she':4A,30,32 'shes':6A 'to':8A,35 'today':10A,11A,37,38 'unable':7A,34 'waters':13B,26
                                    'tag_tracknum'  288
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'blues', 'jazz', 'female vocalists']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401490.3026273  (2021-05-07 17:31:30)
                             'size'  1491235