======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '181'
                                          'artist'  'Bill Robinson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "There's No Two Ways About Love (+ Cab Calloway & Lena Horne)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-OLDST-1', 'q-chart-1', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['soul', 'r&b', 'tap dancing', '093jas', 'no play button but the track was "
 "on lastfm']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '93.500'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '93.500'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         "There's No Two Ways About Love (+ Cab Calloway & Lena Horne)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Robinson'
'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'                                   ['soul',
 'r&b',
 'tap dancing',
 '093jas',
 'no play button but the track was on lastfm']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.464055'

========================== row from database ==========================
                                              'id'  1519952
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/Bill Robinson - There_s No Two Ways About Love (+ Cab Calloway & Lena Horne) 1943.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  181
                                           'genre'  prerock-unsorted
                                        'filesize'  3639090
                                           'mtime'  1621698061
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 There_s 1943 prerock unsorted
                                      'tag_artist'  Bill Robinson
                                     'tag_release'  None
                                       'tag_title'  There's No Two Ways About Love (+ Cab Calloway & Lena Horne)
                                             'bpm'  93.5
                                    'search_title'  'about':7 'cab':9 'calloway':10 'horne':12,13 'lena':11 'love':8 'no':4 's':2 'there':1 'theres':3 'two':5 'ways':6
                                   'search_artist'  'bill':1 'robinson':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 's':8 'there':7 'unsorted':10
                                    'search_combo'  '00oldiepop':20 '1943':21 'about':7A 'bill':14B 'cab':9A 'calloway':10A 'country':19 'exotica':17 'horne':12A,13A 'jazz':16 'lena':11A 'love':8A 'no':4A 'oldies':18 'prerock':24 'robinson':15B 's':2A,23 'there':1A,22 'theres':3A 'two':5A 'unsorted':25 'ways':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'r&b', 'tap dancing', '093jas', 'no play button but the track was on lastfm']
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698061.4920247  (2021-05-22 17:41:01)
                             'size'  3639090