======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '160'
                                          'artist'  'Justin Tubb'
                                     'text_people'  ''
                                         'release'  'Justin Tubb - (Warped SW03)'
                                           'title'  "As Long As There's a Sunday"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['50s', 'country', 'spotify', 'rockabilly', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '97.1'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:é\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xe9\x0e\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
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'TALB' (Album/Movie/Show title)                     'Justin Tubb - (Warped SW03)'
'TBPM' (BPM (beats per minute))                     '97.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "As Long As There's a Sunday"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Justin Tubb'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['50s', 'country', 'spotify', 'rockabilly', 'classic country']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.06 dB'
'TXXX:replaygain_track_peak'                        '0.603379'

========================== row from database ==========================
                                              'id'  1504471
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Warped Records Collection/Warped SW03 - Justin Tubb - The Songwriter Series 2010/14. As Long As There_s a Sunday.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  160
                                           'genre'  loc-namerica-country
                                        'filesize'  7215484
                                           'mtime'  1621628997
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Records Collection Songwriter Series 2010 14. There_s loc namerica country
                                      'tag_artist'  Justin Tubb
                                     'tag_release'  Justin Tubb - (Warped SW03)
                                       'tag_title'  As Long As There's a Sunday
                                             'bpm'  97.1
                                    'search_title'  'a':6 'as':1 'long':2 's':4 'sunday':7 'there':3 'theres':5
                                   'search_artist'  'justin':1 'tubb':2
                                  'search_release'  'justin':1 'sw03':5,6 'tubb':2 'warped':3,4
                                     'search_rest'  '14':6,7 '2010':5 'collection':2 'country':12 'loc':10 'namerica':11 'records':1 's':9 'series':4 'songwriter':3 'there':8
                                    'search_combo'  '14':21,22 '2010':20 'a':6A 'as':1A 'collection':17 'country':27 'justin':8B,10C 'loc':25 'long':2A 'namerica':26 'records':16 's':4A,24 'series':19 'songwriter':18 'sunday':7A 'sw03':14C,15C 'there':3A,23 'theres':5A 'tubb':9B,11C 'warped':12C,13C
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['50s', 'country', 'spotify', 'rockabilly', 'classic country']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628996.5384307  (2021-05-21 22:29:56)
                             'size'  7215484