======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '171'
                                          'artist'  'Anona Winn'
                                     'text_people'  ''
                                         'release'  'Columbia DB 1125'
                                           'title'  "That's All That Matters To Me (+ Carroll Gibbons Boyfriends)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-female'
                                             'bpm'  '104.822'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia DB 1125'
'TBPM' (BPM (beats per minute))                     '104.822'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-female'
'TDRC' (Recording time)                             '1933'
'TIT2' (Title/songname/content description)         "That's All That Matters To Me (+ Carroll Gibbons Boyfriends)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anona Winn'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'vocal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.55 dB'
'TXXX:replaygain_track_peak'                        '0.465923'

========================== row from database ==========================
                                              'id'  1513413
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1933/Anona Winn - That_s All That Matters To Me (+ Carroll Gibbons Boyfriends) 3-4-1933.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  171
                                           'genre'  prerock-vocal-female
                                        'filesize'  3432083
                                           'mtime'  1621625711
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1933 That_s 3 4 1933 prerock vocal female
                                      'tag_artist'  Anona Winn
                                     'tag_release'  Columbia DB 1125
                                       'tag_title'  That's All That Matters To Me (+ Carroll Gibbons Boyfriends)
                                             'bpm'  104.822
                                    'search_title'  'all':4 'boyfriends':11,12 'carroll':9 'gibbons':10 'matters':6 'me':8 's':2 'that':1,5 'thats':3 'to':7
                                   'search_artist'  'anona':1 'winn':2
                                  'search_release'  '1125':3 'columbia':1 'db':2
                                     'search_rest'  '00oldiepop':5 '1933':6 '3':9 '4':10 'country':4 'exotica':2 'female':13 'jazz':1 'oldies':3 'prerock':11 's':8 'that':7 'vocal':12
                                    'search_combo'  '00oldiepop':22 '1125':17C '1933':23 '3':26 '4':27 'all':4A 'anona':13B 'boyfriends':11A,12A 'carroll':9A 'columbia':15C 'country':21 'db':16C 'exotica':19 'female':30 'gibbons':10A 'jazz':18 'matters':6A 'me':8A 'oldies':20 'prerock':28 's':2A,25 'that':1A,5A,24 'thats':3A 'to':7A 'vocal':29 'winn':14B
                                    '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-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1933
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1621625711.4800477  (2021-05-21 21:35:11)
                             'size'  3432083