======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '118'
                                          'artist'  'Catch 22'
                                     'text_people'  ''
                                         'release'  'Alone in a Crowd'
                                           'title'  'Thinking About Things'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'punk']"
                                     'discogstags'  "['hip-house', 'bass music', 'electro', 'electronic', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '137.292'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Alone in a Crowd'
'TBPM' (BPM (beats per minute))                     '137.292'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TIT2' (Title/songname/content description)         'Thinking About Things'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Catch 22'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hip-house', 'bass music', 'electro', 'electronic', 'hip hop']
'TXXX:lastfmtags'                                   ['ska punk', 'punk rock', 'ska', 'punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.28 dB'
'TXXX:replaygain_track_peak'                        '0.393388'

========================== row from database ==========================
                                              'id'  1320008
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Catch 22__Catch 22 - Alone In A Crowd__cifs241d.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  118
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  2850642
                                           'mtime'  1620524968
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 22__Catch In Crowd__cifs241d loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Catch 22
                                     'tag_release'  Alone in a Crowd
                                       'tag_title'  Thinking About Things
                                             'bpm'  137.292
                                    'search_title'  'about':2 'things':3 'thinking':1
                                   'search_artist'  '22':2 'catch':1
                                  'search_release'  'a':3 'alone':1 'crowd':4 'in':2
                                     'search_rest'  '00poprockelectronic':1 '22':7 'catch':8 'cifs241d':11 'crowd':10 'dancehall':18 'dub':16 'files':5,6 'in':9 'loc':12 'loose':3,4 'or':15 'reggae':14 'ska':17 'style':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '22':5B,16 'a':8C 'about':2A 'alone':6C 'catch':4B,17 'cifs241d':20 'crowd':9C,19 'dancehall':27 'dub':25 'files':14,15 'in':7C,18 'loc':21 'loose':12,13 'or':24 'reggae':23 'ska':26 'style':22 'things':3A 'thinking':1A 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'punk rock', 'ska', 'punk']
                                        'tag_date'  
                                     'discogstags'  ['hip-house', 'bass music', 'electro', 'electronic', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620524967.8510993  (2021-05-09 03:49:27)
                             'size'  2850642