======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '134'
                                          'artist'  'Al Bowlly & Lew Stone'
                                     'text_people'  ''
                                         'release'  'Durium En-13, Matrix E-1029-a'
                                           'title'  "Can't We Talk It Over"
                                           '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-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', '30s', 'oldies', 'crooner', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '144.233'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Durium En-13, Matrix E-1029-a'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TCOP' (Copyright message)                          'Public Domain. (Copyright Free)'
'TDRC' (Recording time)                             '1932'
'TIT2' (Title/songname/content description)         "Can't We Talk It Over"
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '134717'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Bowlly & Lew Stone'
'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'                                   ['jazz', '30s', 'oldies', 'crooner', 'british']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+2.27 dB'
'TXXX:replaygain_track_peak'                        '0.422368'

========================== row from database ==========================
                                              'id'  1503424
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Lew Stone Duriam Dance Band, Al Bowlly - Can_t We Talk It Over 1932.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  134
                                           'genre'  prerock-vocal
                                        'filesize'  2179072
                                           'mtime'  1620666354
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular Duriam Dance Band, Can_t 1932 prerock vocal
                                      'tag_artist'  Al Bowlly & Lew Stone
                                     'tag_release'  Durium En-13, Matrix E-1029-a
                                       'tag_title'  Can't We Talk It Over
                                             'bpm'  144.233
                                    'search_title'  'can':1 'cant':3 'it':6 'over':7 't':2 'talk':5 'we':4
                                   'search_artist'  'al':1 'bowlly':2 'lew':3 'stone':4
                                  'search_release'  '1029':7 '13':3 'a':8 'durium':1 'e':6 'e1029a':9 'en':2 'en13':4 'matrix':5
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 '1932':16 'and':7 'band':12,13 'can':14 'country':4 'dance':11 'duriam':10 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':17 't':15 'vocal':18
                                    'search_combo'  '00oldiepop':25 '1029':18C '13':14C '1920s':26 '1930s':28 '1932':36 'a':19C 'al':8B 'and':27 'band':32,33 'bowlly':9B 'can':1A,34 'cant':3A 'country':24 'dance':31 'duriam':30 'durium':12C 'e':17C 'e1029a':20C 'en':13C 'en13':15C 'exotica':22 'it':6A 'jazz':21 'lew':10B 'matrix':16C 'oldies':23 'over':7A 'popular':29 'prerock':37 'stone':11B 't':2A,35 'talk':5A 'vocal':38 'we':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', '30s', 'oldies', 'crooner', 'british']
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666353.837829  (2021-05-10 19:05:53)
                             'size'  2179072