======================== unified (from filesystem) ========================
                                         'bitrate'  '104.843'
                                        'duration'  '186'
                                          'artist'  'Alton Ellis'
                                     'text_people'  ''
                                         'release'  'Dimitri - Exotic Soulful & Reggae'
                                           'title'  'You Make Me So Very Happy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jamaica', 'reggae', 'ska', 'roots', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '85.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Exotic Soulful & Reggae'
'TBPM' (BPM (beats per minute))                     '85.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'You Make Me So Very Happy'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alton Ellis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['jamaica', 'reggae', 'ska', 'roots', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.651450'

========================== row from database ==========================
                                              'id'  1509312
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/ExoticSoulfulReggae/Alton Ellis _You Make Me So Very Happy_-keqkNTqSMGk.mp3
                                         'working'  None
                                         'bitrate'  104
                                    'duration_sec'  186
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  2442879
                                           'mtime'  1620520528
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ExoticSoulfulReggae _You Happy_ keqkNTqSMGk loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Alton Ellis
                                     'tag_release'  Dimitri - Exotic Soulful & Reggae
                                       'tag_title'  You Make Me So Very Happy
                                             'bpm'  85.0
                                    'search_title'  'happy':6 'make':2 'me':3 'so':4 'very':5 'you':1
                                   'search_artist'  'alton':1 'ellis':2
                                  'search_release'  'dimitri':1 'exotic':2 'reggae':4 'soulful':3
                                     'search_rest'  'and':13 'dancehall':11 'dub':9 'exotic':14 'exoticsoulfulreggae':1 'happy':3 'keqk':16 'keqkntqsmgk':4 'loc':5 'ntq':17 'or':8 'reggae':7 'roots':12 'ska':10 'smgk':18 'soulful':15 'style':6 'you':2
                                    'search_combo'  'alton':7B 'and':25 'dancehall':23 'dimitri':9C 'dub':21 'ellis':8B 'exotic':10C,26 'exoticsoulfulreggae':13 'happy':6A,15 'keqk':28 'keqkntqsmgk':16 'loc':17 'make':2A 'me':3A 'ntq':29 'or':20 'reggae':12C,19 'roots':24 'ska':22 'smgk':30 'so':4A 'soulful':11C,27 'style':18 'very':5A 'you':1A,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['jamaica', 'reggae', 'ska', 'roots', 'rocksteady']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520528.4305277  (2021-05-09 02:35:28)
                             'size'  2442879