======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '191'
                                          'artist'  'Sydney Kyte'
                                     'text_people'  ''
                                         'release'  'Regal Zonophone MR  517'
                                           'title'  "My Bluebird's Back Again (vocal - Three Gynx)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '92.899'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Regal Zonophone MR  517'
'TBPM' (BPM (beats per minute))                     '92.899'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1932'
'TIT2' (Title/songname/content description)         "My Bluebird's Back Again (vocal - Three Gynx)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sydney Kyte'
'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:q-bass'                                       '2'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.475666'

========================== row from database ==========================
                                              'id'  1505734
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1932/Sidney Kyte Piccadilly Hotel Band - My Bluebird_s Back Again (vocal - Three Gynx) 11-1-1932.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  191
                                           'genre'  prerock-unsorted
                                        'filesize'  3829554
                                           'mtime'  1621697953
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1932 Sidney Piccadilly Hotel Band Bluebird_s 11 1932 prerock unsorted
                                      'tag_artist'  Sydney Kyte
                                     'tag_release'  Regal Zonophone MR  517
                                       'tag_title'  My Bluebird's Back Again (vocal - Three Gynx)
                                             'bpm'  92.899
                                    'search_title'  'again':6 'back':5 'bluebird':2 'bluebirds':4 'gynx':10,11 'my':1 's':3 'three':9 'vocal':7,8
                                   'search_artist'  'kyte':2 'sydney':1
                                  'search_release'  '517':4 'mr':3 'regal':1 'zonophone':2
                                     'search_rest'  '00oldiepop':5 '1932':6 'band':10 'bluebird':11 'country':4 'exotica':2 'hotel':9 'jazz':1 'oldies':3 'piccadilly':8 'prerock':13 's':12 'sidney':7 'unsorted':14
                                    'search_combo'  '00oldiepop':22 '1932':23 '517':17C 'again':6A 'back':5A 'band':27 'bluebird':2A,28 'bluebirds':4A 'country':21 'exotica':19 'gynx':10A,11A 'hotel':26 'jazz':18 'kyte':13B 'mr':16C 'my':1A 'oldies':20 'piccadilly':25 'prerock':30 'regal':14C 's':3A,29 'sidney':24 'sydney':12B 'three':9A 'unsorted':31 'vocal':7A,8A 'zonophone':15C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697952.5842843  (2021-05-22 17:39:12)
                             'size'  3829554