======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '253'
                                          'artist'  'Ada Jones'
                                     'text_people'  ''
                                         'release'  'Edison 50402'
                                           'title'  "O' Brien Is Tryin' To Learn To Talk Hawaiian"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', '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'  "['gramophone', 'female vocalists', 'tin pan alley', 'vocal', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1916'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '94.9'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Edison 50402'
'TBPM' (BPM (beats per minute))                     '94.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1916-10-03'
'TIT2' (Title/songname/content description)         "O' Brien Is Tryin' To Learn To Talk Hawaiian"
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '253000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ada Jones'
'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'                                   ['gramophone', 'female vocalists', 'tin pan alley', 'vocal', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.774435'

========================== row from database ==========================
                                              'id'  1501036
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1916/Ada Jones - O_ Brien Is Tryin_ To Learn To Talk Hawaiian 3-10-1916.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  253
                                           'genre'  prerock-vocal
                                        'filesize'  5124030
                                           'mtime'  1620666237
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1916 O_ Tryin_ 3 10 1916 prerock vocal
                                      'tag_artist'  Ada Jones
                                     'tag_release'  Edison 50402
                                       'tag_title'  O' Brien Is Tryin' To Learn To Talk Hawaiian
                                             'bpm'  94.9
                                    'search_title'  'brien':3 'hawaiian':10 'is':4 'learn':8 'o':1,2 'talk':9 'to':7 'tryin':5,6
                                   'search_artist'  'ada':1 'jones':2
                                  'search_release'  '50402':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1916':6 '3':9 'country':4 'exotica':2 'jazz':1 'o':7 'oldies':3 'prerock':10 'tryin':8 'vocal':11
                                    'search_combo'  '00oldiepop':19 '1916':20 '3':23 '50402':14C 'ada':11B 'brien':3A 'country':18 'edison':13C 'exotica':16 'hawaiian':10A 'is':4A 'jazz':15 'jones':12B 'learn':8A 'o':1A,2A,21 'oldies':17 'prerock':24 'talk':9A 'to':7A 'tryin':5A,6A,22 'vocal':25
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2B
                                           '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-1', 'q-grit-1']
                                      'lastfmtags'  ['gramophone', 'female vocalists', 'tin pan alley', 'vocal', 'all']
                                        'tag_date'  1916
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666236.701124  (2021-05-10 19:03:56)
                             'size'  5124030