======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '202'
                                          'artist'  'David H Silverman Orchestra'
                                     'text_people'  ''
                                         'release'  'Golden Oldies 1923'
                                           'title'  'Mean Blues 11-1-1923'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1923'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '145.580'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Sound edited by Breda4@hotmail'
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'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)                     'Golden Oldies 1923'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1923'
'TIT2' (Title/songname/content description)         'Mean Blues 11-1-1923'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '202000'
'TPE1' (Lead performer(s)/Soloist(s))               'David H Silverman Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.65 dB'
'TXXX:replaygain_track_peak'                        '0.550592'

========================== row from database ==========================
                                              'id'  769296
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/GOLDEN OLDIES 1923/David H Silverman Orchestra - Mean Blues 11-1-1923.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  202
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4122327
                                           'mtime'  1620529234
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country GOLDEN OLDIES prerock jb jazz unsorted
                                      'tag_artist'  David H Silverman Orchestra
                                     'tag_release'  Golden Oldies 1923
                                       'tag_title'  Mean Blues 11-1-1923
                                             'bpm'  145.58
                                    'search_title'  '1':4 '11':3 '1111923':6 '1923':5 'blues':2 'mean':1
                                   'search_artist'  'david':1 'h':2 'orchestra':4 'silverman':3
                                  'search_release'  '1923':3 'golden':1 'oldies':2
                                     'search_rest'  'country':4 'exotica':2 'golden':5 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '1':4A '11':3A '1111923':6A '1923':5A,13C 'blues':2A 'country':17 'david':7B 'exotica':15 'golden':11C,18 'h':8B 'jazz':14 'jb':20 'mean':1A 'oldies':12C,16 'orchestra':10B 'prerock':19 'silverman':9B 'unsorted':21
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1923
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529234.313453  (2021-05-09 05:00:34)
                             'size'  4122327