======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '163'
                                          'artist'  'Louis Jordan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Is You Is Or Is You Ain't My Baby"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', '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'  "['saxophone', 'blues', 'jazz', 'rhythm and blues', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '139.851'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '139.851'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         "Is You Is Or Is You Ain't My Baby"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Louis Jordan'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['saxophone', 'blues', 'jazz', 'rhythm and blues', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'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'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.399053'

========================== row from database ==========================
                                              'id'  1498222
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/Louis Jordan - Is You Is Or Is You Ain_t My Baby 4-10-1943.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  163
                                           'genre'  prerock-unsorted
                                        'filesize'  3278642
                                           'mtime'  1678465005
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 Ain_t 4 10 1943 prerock unsorted
                                      'tag_artist'  Louis Jordan
                                     'tag_release'  None
                                       'tag_title'  Is You Is Or Is You Ain't My Baby
                                             'bpm'  139.851
                                    'search_title'  'ain':4 'aint':6 'baby':8 'is':1 'my':7 'or':3 't':5 'you':2
                                   'search_artist'  'jordan':2 'louis':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 '4':9 'ain':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 't':8 'unsorted':11
                                    'search_combo'  '00oldiepop':15 '1943':16 '4':19 'ain':4A,17 'aint':6A 'baby':8A 'country':14 'exotica':12 'is':1A 'jazz':11 'jordan':10B 'louis':9B 'my':7A 'oldies':13 'or':3A 'prerock':20 't':5A,18 'unsorted':21 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', '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'  ['saxophone', 'blues', 'jazz', 'rhythm and blues', 'swing']
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678465004.6693916  (2023-03-10 17:16:44)
                             'size'  3278642