======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '76'
                                          'artist'  'Arthur Lally'
                                     'text_people'  ''
                                         'release'  'Decca F 3006 (fragment Hiking Holiday)'
                                           'title'  'When The Rest Of The Crowd Goes Home (vocal - Al Bowlly)'
                                           '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '93.0'
                                             'key'  '9A'
                                        '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)                     'Decca F 3006 (fragment Hiking Holiday)'
'TBPM' (BPM (beats per minute))                     '93.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1932-06-01'
'TIT2' (Title/songname/content description)         'When The Rest Of The Crowd Goes Home (vocal - Al Bowlly)'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '76000'
'TPE1' (Lead performer(s)/Soloist(s))               'Arthur Lally'
'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: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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.53 dB'
'TXXX:replaygain_track_peak'                        '0.450483'

========================== row from database ==========================
                                              'id'  1469069
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1932/Arthur Lally - When The Rest of The Crowd Goes Home (vocal - Al Bowlly) 1932.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  76
                                           'genre'  prerock-vocal
                                        'filesize'  1597921
                                           'mtime'  1620666409
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1932 of 1932 prerock
                                      'tag_artist'  Arthur Lally
                                     'tag_release'  Decca F 3006 (fragment Hiking Holiday)
                                       'tag_title'  When The Rest Of The Crowd Goes Home (vocal - Al Bowlly)
                                             'bpm'  93.0
                                    'search_title'  'al':10 'bowlly':11,12 'crowd':5 'goes':6 'home':7 'of':4 'rest':3 'the':2 'vocal':8,9 'when':1
                                   'search_artist'  'arthur':1 'lally':2
                                  'search_release'  '3006':3 'decca':1 'f':2 'fragment':4,5 'hiking':6 'holiday':7,8
                                     'search_rest'  '00oldiepop':5 '1932':6 'country':4 'exotica':2 'jazz':1 'of':7 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':27 '1932':28 '3006':17C 'al':10A 'arthur':13B 'bowlly':11A,12A 'country':26 'crowd':5A 'decca':15C 'exotica':24 'f':16C 'fragment':18C,19C 'goes':6A 'hiking':20C 'holiday':21C,22C 'home':7A 'jazz':23 'lally':14B 'of':4A,29 'oldies':25 'prerock':30 'rest':3A 'the':2A 'vocal':8A,9A 'when':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           '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-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666408.833873  (2021-05-10 19:06:48)
                             'size'  1597921