======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '219'
                                          'artist'  'Seasick Steve'
                                     'text_people'  ''
                                         'release'  'Dog House Music'
                                           'title'  'Shirly Lou'
                                           '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-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'country', 'blues', 'folk', 'singer songwriter']"
                                     'discogstags'  "['blues', 'electric blues', 'delta blues', 'modern electric blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '138.607'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'D\x00+\x009\x006\x00+\x001\x002\x00E\x00F\x00+\x005\x002\x003\x00A\x00+\x008\x00E\x006\x002\x00+\x00E\x000\x001\x009\x00+\x001\x001\x00E\x00A\x006\x00+\x001\x004\x006\x00E\x002\x00+\x001\x008\x00A\x00B\x000\x00+\x001\x00C\x00A\x00F\x002\x00+\x002\x001\x002\x007\x00A\x00+\x002\x005\x001\x00A\x00A\x00+\x002\x009\x00B\x000\x00E\x00+\x002\x00D\x007\x00F\x000\x00+\x003\x00C\x002\x00A\x00F\x00\x00\x00')
'PRIV:AverageLevel:P\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'P\x12\x00\x00')
'PRIV:PeakValue:ΓΏ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Dog House Music'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Shirly Lou'
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '219333'
'TPE1' (Lead performer(s)/Soloist(s))               'Seasick Steve'
'TRCK' (Track number/Position in set)               '8'
'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'                                  ['blues', 'electric blues', 'delta blues', 'modern electric blues']
'TXXX:lastfmtags'                                   ['blues rock', 'country', 'blues', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.427266'

========================== row from database ==========================
                                              'id'  1274794
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Seasick Steve/Dog House Music/08 shirly lou.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  219
                                           'genre'  prerock-jb-blues
                                        'filesize'  7014177
                                           'mtime'  1620402545
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 08 shirly lou prerock jb blues
                                      'tag_artist'  Seasick Steve
                                     'tag_release'  Dog House Music
                                       'tag_title'  Shirly Lou
                                             'bpm'  138.607
                                    'search_title'  'lou':2 'shirly':1
                                   'search_artist'  'seasick':1 'steve':2
                                  'search_release'  'dog':1 'house':2 'music':3
                                     'search_rest'  'blues':9 'country':4 'exotica':2 'jazz':1 'jb':8 'lou':6 'oldies':3 'prerock':7 'shirly':5
                                    'search_combo'  'blues':16 'country':11 'dog':5C 'exotica':9 'house':6C 'jazz':8 'jb':15 'lou':2A,13 'music':7C 'oldies':10 'prerock':14 'seasick':3B 'shirly':1A,12 'steve':4B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'country', 'blues', 'folk', 'singer songwriter']
                                        'tag_date'  2006
                                     'discogstags'  ['blues', 'electric blues', 'delta blues', 'modern electric blues']

============================== file details ==============================
                                           'mtime'  1620402545.097433  (2021-05-07 17:49:05)
                             'size'  7014177