======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '144'
                                          'artist'  'Jack Jackson'
                                     'text_people'  ''
                                         'release'  'Decca F 6371'
                                           'title'  "There's Yoo Hoo In Your Eyes (vocal - Jack Jackson)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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']")
                                      'lastfmtags'  "['united kingdom', 'surf rock', 'uk']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '98.645'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Decca F 6371'
'TBPM' (BPM (beats per minute))                     '98.645'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         "There's Yoo Hoo In Your Eyes (vocal - Jack Jackson)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Jackson'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['united kingdom', 'surf rock', 'uk']
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.16 dB'
'TXXX:replaygain_track_peak'                        '0.640032'

========================== row from database ==========================
                                              'id'  1504275
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1937/Jack Jackson - There_s Yoo Hoo In Your Eyes (vocal - Jack Jackson) 5-4-1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  144
                                           'genre'  prerock-swing
                                        'filesize'  2887474
                                           'mtime'  1620561109
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1937 There_s 5 4 1937 prerock swing
                                      'tag_artist'  Jack Jackson
                                     'tag_release'  Decca F 6371
                                       'tag_title'  There's Yoo Hoo In Your Eyes (vocal - Jack Jackson)
                                             'bpm'  98.645
                                    'search_title'  'eyes':8 'hoo':5 'in':6 'jack':11 'jackson':12,13 's':2 'there':1 'theres':3 'vocal':9,10 'yoo':4 'your':7
                                   'search_artist'  'jack':1 'jackson':2
                                  'search_release'  '6371':3 'decca':1 'f':2
                                     'search_rest'  '00oldiepop':5 '1937':6 '4':10 '5':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 's':8 'swing':12 'there':7
                                    'search_combo'  '00oldiepop':23 '1937':24 '4':28 '5':27 '6371':18C 'country':22 'decca':16C 'exotica':20 'eyes':8A 'f':17C 'hoo':5A 'in':6A 'jack':11A,14B 'jackson':12A,13A,15B 'jazz':19 'oldies':21 'prerock':29 's':2A,26 'swing':30 'there':1A,25 'theres':3A 'vocal':9A,10A 'yoo':4A 'your':7A
                                    '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-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'  ['united kingdom', 'surf rock', 'uk']
                                        'tag_date'  1937
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620561109.2400384  (2021-05-09 13:51:49)
                             'size'  2887474