======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '185'
                                          'artist'  'The Rhythm Wreckers'
                                     'text_people'  ''
                                         'release'  'Western Swing'
                                           'title'  'Meanest Thing Blues'
                                           '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-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'blues', 'early country', 'old timey', 'country']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '104.660'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x18\x10\x00\x00'                PRIV(owner='AverageLevel', data=b'\x18\x10\x00\x00')
'PRIV:PeakValue:\x0fj\x00\x00'                      PRIV(owner='PeakValue', data=b'\x0fj\x00\x00')
'TALB' (Album/Movie/Show title)                     'Western Swing'
'TBPM' (BPM (beats per minute))                     '104.660'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         'Meanest Thing Blues'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '000000185414'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rhythm Wreckers'
'TPE2' (Band/orchestra/accompaniment)               'The Rhythm Wreckers'
'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'                                   ['spotify', 'blues', 'early country', 'old timey', 'country']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.492701'

========================== row from database ==========================
                                              'id'  1529980
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/the rhythm wreckers - meanest thing blues 1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  185
                                           'genre'  prerock-jb-blues
                                        'filesize'  4215607
                                           'mtime'  1620402203
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection the rhythm wreckers meanest thing blues 1937 prerock jb blues
                                      'tag_artist'  The Rhythm Wreckers
                                     'tag_release'  Western Swing
                                       'tag_title'  Meanest Thing Blues
                                             'bpm'  104.66
                                    'search_title'  'blues':3 'meanest':1 'thing':2
                                   'search_artist'  'rhythm':2 'the':1 'wreckers':3
                                  'search_release'  'swing':2 'western':1
                                     'search_rest'  '1937':14 '30':5 'blues':13 'collection':7 'country':4 'exotica':2 'jazz':1 'jb':16 'meanest':11 'oldies':3 'prerock':15 'rhythm':9 's':6 'the':8 'thing':12 'wreckers':10
                                    'search_combo'  '1937':22 '30':13 'blues':3A,21 'collection':15 'country':12 'exotica':10 'jazz':9 'jb':24 'meanest':1A,19 'oldies':11 'prerock':23 'rhythm':5B,17 's':14 'swing':8C 'the':4B,16 'thing':2A,20 'western':7C 'wreckers':6B,18
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spotify', 'blues', 'early country', 'old timey', 'country']
                                        'tag_date'  1937
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620402203.2731137  (2021-05-07 17:43:23)
                             'size'  4215607