======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'Alberta Hunter'
                                     'text_people'  ''
                                         'release'  'Downhearted Blues'
                                           'title'  "I've Got a Mind to Ramble"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '92.181'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x004\x003\x006\x007\x00+\x008\x009\x00B\x00C\x00+\x00C\x005\x00E\x001\x00+\x001\x002\x00F\x00E\x00F\x00+\x001\x006\x00B\x005\x007\x00+\x001\x00A\x006\x003\x005\x00+\x001\x00F\x00F\x000\x004\x00+\x002\x004\x00A\x007\x007\x00+\x002\x008\x002\x000\x00D\x00+\x002\x00D\x007\x002\x003\x00+\x003\x002\x001\x008\x00B\x00+\x003\x006\x000\x007\x00B\x00+\x003\x00A\x002\x005\x00A\x00+\x003\x00D\x006\x006\x009\x00+\x004\x001\x001\x001\x00F\x00+\x004\x005\x00A\x007\x006\x00+\x004\x009\x001\x00B\x000\x00+\x004\x00D\x005\x00E\x00E\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Downhearted Blues'
'TBPM' (BPM (beats per minute))                     '92.181'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         "I've Got a Mind to Ramble"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alberta Hunter'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.697605'

========================== row from database ==========================
                                              'id'  1508810
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/alberta hunter downhearted blues live at the cookery/10. I_ve Got a Mind to Ramble.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  11622357
                                           'mtime'  1620537358
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country alberta hunter downhearted blues live at the cookery 10. I_ve prerock jb jazz vocal
                                      'tag_artist'  Alberta Hunter
                                     'tag_release'  Downhearted Blues
                                       'tag_title'  I've Got a Mind to Ramble
                                             'bpm'  92.181
                                    'search_title'  'a':5 'got':4 'i':1 'ive':3 'mind':6 'ramble':8 'to':7 've':2
                                   'search_artist'  'alberta':1 'hunter':2
                                  'search_release'  'blues':2 'downhearted':1
                                     'search_rest'  '10':13,14 'alberta':5 'at':10 'blues':8 'cookery':12 'country':4 'downhearted':7 'exotica':2 'hunter':6 'i':15 'jazz':1 'jb':18 'live':9 'oldies':3 'prerock':17 'the':11 've':16 'vocal':19
                                    'search_combo'  '10':25,26 'a':5A 'alberta':9B,17 'at':22 'blues':12C,20 'cookery':24 'country':16 'downhearted':11C,19 'exotica':14 'got':4A 'hunter':10B,18 'i':1A,27 'ive':3A 'jazz':13 'jb':30 'live':21 'mind':6A 'oldies':15 'prerock':29 'ramble':8A 'the':23 'to':7A 've':2A,28 'vocal':31
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537358.183558  (2021-05-09 07:15:58)
                             'size'  11622357