======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '184'
                                          'artist'  'Connie Smith'
                                     'text_people'  ''
                                         'release'  'Justin Tubb - (Warped SW03)'
                                           'title'  'Love Is No Excuse'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'classic country', 'connie smith', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '121.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:sl{»\x19,\x9eM¼\x98\x11Á\xad\x85\x97\x8d'  PRIV(owner='WM/WMCollectionID', data=b'sl{\xbb\x19,\x9eM\xbc\x98\x11\xc1\xad\x85\x97\x8d')
'PRIV:WM/WMContentID:\x1e"\x05\x91h©\x96D\x86-:¢P\x7fdQ'  PRIV(owner='WM/WMContentID', data=b'\x1e"\x05\x91h\xa9\x96D\x86-:\xa2P\x7fdQ')
'TALB' (Album/Movie/Show title)                     'Justin Tubb - (Warped SW03)'
'TBPM' (BPM (beats per minute))                     '121.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Love Is No Excuse'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Connie Smith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Bear Family'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'classic country', 'connie smith', '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'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.86 dB'
'TXXX:replaygain_track_peak'                        '0.425860'

========================== row from database ==========================
                                              'id'  647739
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Warped Records Collection/Warped SW03 - Justin Tubb - The Songwriter Series 2010/15. Love Is No Excuse.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  184
                                           'genre'  loc-namerica-country
                                        'filesize'  8173721
                                           'mtime'  1621628997
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Records Collection The Songwriter Series 2010 15. loc namerica country
                                      'tag_artist'  Connie Smith
                                     'tag_release'  Justin Tubb - (Warped SW03)
                                       'tag_title'  Love Is No Excuse
                                             'bpm'  121.3
                                    'search_title'  'excuse':4 'is':2 'love':1 'no':3
                                   'search_artist'  'connie':1 'smith':2
                                  'search_release'  'justin':1 'sw03':5,6 'tubb':2 'warped':3,4
                                     'search_rest'  '15':7,8 '2010':6 'collection':2 'country':11 'loc':9 'namerica':10 'records':1 'series':5 'songwriter':4 'the':3
                                    'search_combo'  '15':19,20 '2010':18 'collection':14 'connie':5B 'country':23 'excuse':4A 'is':2A 'justin':7C 'loc':21 'love':1A 'namerica':22 'no':3A 'records':13 'series':17 'smith':6B 'songwriter':16 'sw03':11C,12C 'the':15 'tubb':8C 'warped':9C,10C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'classic country', 'connie smith', 'female vocalists']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628996.547524  (2021-05-21 22:29:56)
                             'size'  8173721