======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '180'
                                          'artist'  'Waikiki Hawaiian Orchestra'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol  4052'
                                           'title'  'Hawaiian Smiles'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'all', 'oceania', 'hawaiian', 'the vitamin b12']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'loc-islands-hawaii;prerock-unsorted'
                                             'bpm'  '145.9'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison Blue Amberol  4052'
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 ['loc-islands-hawaii', 'prerock-unsorted']
'TDRC' (Recording time)                             '1920-02-13'
'TIT2' (Title/songname/content description)         'Hawaiian Smiles'
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '180000'
'TPE1' (Lead performer(s)/Soloist(s))               'Waikiki Hawaiian Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'all', 'oceania', 'hawaiian', 'the vitamin b12']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.614403'

========================== row from database ==========================
                                              'id'  1471744
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Waikiki Hawaiian Orchestra - Hawaiian Smiles 13-2-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  180
                                           'genre'  loc-islands-hawaii;prerock-unsorted
                                        'filesize'  3683648
                                           'mtime'  1621699080
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 13 1920 loc islands hawaii;prerock unsorted
                                      'tag_artist'  Waikiki Hawaiian Orchestra
                                     'tag_release'  Edison Blue Amberol  4052
                                       'tag_title'  Hawaiian Smiles
                                             'bpm'  145.9
                                    'search_title'  'hawaiian':1 'smiles':2
                                   'search_artist'  'hawaiian':2 'orchestra':3 'waikiki':1
                                  'search_release'  '4052':4 'amberol':3 'blue':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1920':6 'country':4 'exotica':2 'hawaii':9,11 'islands':8 'jazz':1 'loc':7 'oldies':3 'prerock':10,12 'unsorted':13
                                    'search_combo'  '00oldiepop':14 '1920':15 '4052':9C 'amberol':8C 'blue':7C 'country':13 'edison':6C 'exotica':11 'hawaii':18,20 'hawaiian':1A,4B 'islands':17 'jazz':10 'loc':16 'oldies':12 'orchestra':5B 'prerock':19,21 'smiles':2A 'unsorted':22 'waikiki':3B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'all', 'oceania', 'hawaiian', 'the vitamin b12']
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621699079.8251083  (2021-05-22 17:57:59)
                             'size'  3683648