======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '184'
                                          'artist'  "Primo Scala's Accordeon Band"
                                     'text_people'  ''
                                         'release'  'Rex  8525'
                                           'title'  'Rehearsing A Lullaby (vocal - Sam Browne)'
                                           '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;mi-accordeon'
                                             'bpm'  '143.619'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Rex  8525'
'TBPM' (BPM (beats per minute))                     '143.619'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'mi-accordeon']
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Rehearsing A Lullaby (vocal - Sam Browne)'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '184000'
'TPE1' (Lead performer(s)/Soloist(s))               "Primo Scala's Accordeon Band"
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.73 dB'
'TXXX:replaygain_track_peak'                        '0.460653'

========================== row from database ==========================
                                              'id'  1436041
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1935/Primo Scala’s Accordeon Band - Rehearsing A Lullaby (vocal - Sam Browne) –6-1935.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  184
                                           'genre'  prerock-unsorted;mi-accordeon
                                        'filesize'  3722261
                                           'mtime'  1620528183
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1935 Scala’s –6 1935 prerock unsorted;mi accordeon
                                      'tag_artist'  Primo Scala's Accordeon Band
                                     'tag_release'  Rex  8525
                                       'tag_title'  Rehearsing A Lullaby (vocal - Sam Browne)
                                             'bpm'  143.619
                                    'search_title'  'a':2 'browne':7,8 'lullaby':3 'rehearsing':1 'sam':6 'vocal':4,5
                                   'search_artist'  'accordeon':5 'band':6 'primo':1 's':3 'scala':2 'scalas':4
                                  'search_release'  '8525':2 'rex':1
                                     'search_rest'  '00oldiepop':5 '1935':6 '6':9 'accordeon':15 'country':4 'exotica':2 'jazz':1 'mi':12,14 'oldies':3 'prerock':10 's':8 'scala':7 'unsorted':11,13
                                    'search_combo'  '00oldiepop':21 '1935':22 '6':25 '8525':16C 'a':2A 'accordeon':13B,31 'band':14B 'browne':7A,8A 'country':20 'exotica':18 'jazz':17 'lullaby':3A 'mi':28,30 'oldies':19 'prerock':26 'primo':9B 'rehearsing':1A 'rex':15C 's':11B,24 'sam':6A 'scala':10B,23 'scalas':12B 'unsorted':27,29 'vocal':4A,5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           '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'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528182.8638556  (2021-05-09 04:43:02)
                             'size'  3722261