======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '190'
                                          'artist'  'Bunny Berigan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I Can't Get Started"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['30s', 'big band', 'jazz', 'trumpet', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1936'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '87.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '87.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1936-04-13'
'TIT2' (Title/songname/content description)         "I Can't Get Started"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '190000'
'TPE1' (Lead performer(s)/Soloist(s))               'Bunny Berigan'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['30s', 'big band', 'jazz', 'trumpet', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.503129'

========================== row from database ==========================
                                              'id'  1511171
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1936/Bunny Berigan - I Can_t Get Started 13-4-1936.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  190
                                           'genre'  prerock-jb-blues
                                        'filesize'  3852473
                                           'mtime'  1620401598
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1936 Can_t 13 4 1936 prerock jb blues
                                      'tag_artist'  Bunny Berigan
                                     'tag_release'  None
                                       'tag_title'  I Can't Get Started
                                             'bpm'  87.1
                                    'search_title'  'can':2 'cant':4 'get':5 'i':1 'started':6 't':3
                                   'search_artist'  'berigan':2 'bunny':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1936':6 '4':9 'blues':12 'can':7 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 't':8
                                    'search_combo'  '00oldiepop':13 '1936':14 '4':17 'berigan':8B 'blues':20 'bunny':7B 'can':2A,15 'cant':4A 'country':12 'exotica':10 'get':5A 'i':1A 'jazz':9 'jb':19 'oldies':11 'prerock':18 'started':6A 't':3A,16
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['30s', 'big band', 'jazz', 'trumpet', 'swing']
                                        'tag_date'  1936
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620401597.5044692  (2021-05-07 17:33:17)
                             'size'  3852473