======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Jim Reeves'
                                     'text_people'  ''
                                         'release'  'Cindy Walker - (Warped SW04)'
                                           'title'  'According to My Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic country', 'oldies', 'country', 'male vocalists', 'christmas']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '122.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cindy Walker - (Warped SW04)'
'TBPM' (BPM (beats per minute))                     '122.7'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'According to My Heart'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '157387'
'TPE1' (Lead performer(s)/Soloist(s))               'Jim Reeves'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '20'
'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'                                   ['classic country', 'oldies', 'country', 'male vocalists', 'christmas']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.424334'

========================== row from database ==========================
                                              'id'  647798
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Warped Records Collection/Warped SW04 - Cindy Walker - The Songwriter Series 2010/20. According to My Heart.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  loc-namerica-country
                                        'filesize'  6997888
                                           'mtime'  1621629018
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Records Collection The Songwriter Series 2010 20. loc namerica country
                                      'tag_artist'  Jim Reeves
                                     'tag_release'  Cindy Walker - (Warped SW04)
                                       'tag_title'  According to My Heart
                                             'bpm'  122.7
                                    'search_title'  'according':1 'heart':4 'my':3 'to':2
                                   'search_artist'  'jim':1 'reeves':2
                                  'search_release'  'cindy':1 'sw04':5,6 'walker':2 'warped':3,4
                                     'search_rest'  '20':7,8 '2010':6 'collection':2 'country':11 'loc':9 'namerica':10 'records':1 'series':5 'songwriter':4 'the':3
                                    'search_combo'  '20':19,20 '2010':18 'according':1A 'cindy':7C 'collection':14 'country':23 'heart':4A 'jim':5B 'loc':21 'my':3A 'namerica':22 'records':13 'reeves':6B 'series':17 'songwriter':16 'sw04':11C,12C 'the':15 'to':2A 'walker':8C 'warped':9C,10C
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'oldies', 'country', 'male vocalists', 'christmas']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629018.2069924  (2021-05-21 22:30:18)
                             'size'  6997888