======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '226'
                                          'artist'  'Lorrie Morgan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Favorite Things'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', "
 "'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['country', 'female vocalists', 'lorrie morgan', 'american', 'contemporary "
 "country']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-squeaky;set-th-christmas'
                                             'bpm'  '114.803'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.803'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-squeaky', 'set-th-christmas']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'My Favorite Things'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lorrie Morgan'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['country',
 'female vocalists',
 'lorrie morgan',
 'american',
 'contemporary country']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.573976'

========================== row from database ==========================
                                              'id'  1332946
                                            'path'  /data/Music/Bulk/00poprockelectronic/Carpenters/diversen/Lorrie Morgan - My Favorite Things.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  226
                                           'genre'  electronic-generic or radio-squeaky;set-th-christmas
                                        'filesize'  3630171
                                           'mtime'  1620343321
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Carpenters diversen electronic generic radio squeaky;set th christmas
                                      'tag_artist'  Lorrie Morgan
                                     'tag_release'  None
                                       'tag_title'  My Favorite Things
                                             'bpm'  114.803
                                    'search_title'  'favorite':2 'my':1 'things':3
                                   'search_artist'  'lorrie':1 'morgan':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'carpenters':2 'christmas':12 'diversen':3 'electronic':4 'generic':5 'radio':6 'set':8,10 'squeaky':7,9 'th':11
                                    'search_combo'  '00poprockelectronic':6 'carpenters':7 'christmas':17 'diversen':8 'electronic':9 'favorite':2A 'generic':10 'lorrie':4B 'morgan':5B 'my':1A 'radio':11 'set':13,15 'squeaky':12,14 'th':16 'things':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'female vocalists', 'lorrie morgan', 'american', 'contemporary country']
                                        'tag_date'  1975
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620343320.937685  (2021-05-07 01:22:00)
                             'size'  3630171