======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '158'
                                          'artist'  'The Loreleis'
                                     'text_people'  ''
                                         'release'  'SPOTLIGHT 390'
                                           'title'  "You're So Nice To Be Near"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['a cappella']"
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '235'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.748'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'SPOTLIGHT 390'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "You're So Nice To Be Near"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Loreleis'
'TRCK' (Track number/Position in set)               '235'
'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:lastfmtags'                                   'a cappella'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.338198'

========================== row from database ==========================
                                              'id'  1504571
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-235 - The Loreleis - You_re So Nice To Be Near.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  158
                                           'genre'  prerock-unsorted
                                        'filesize'  6333043
                                           'mtime'  1621698219
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 235 You_re prerock unsorted
                                      'tag_artist'  The Loreleis
                                     'tag_release'  SPOTLIGHT 390
                                       'tag_title'  You're So Nice To Be Near
                                             'bpm'  144.748
                                    'search_title'  'be':7 'near':8 'nice':5 're':2 'so':4 'to':6 'you':1 'youre':3
                                   'search_artist'  'loreleis':2 'the':1
                                  'search_release'  '390':2 'spotlight':1
                                     'search_rest'  '00oldiepop':5 '1955':6 '235':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 're':9 'unsorted':11 'you':8
                                    'search_combo'  '00oldiepop':17 '1955':18 '235':19 '390':12C 'be':7A 'country':16 'exotica':14 'jazz':13 'loreleis':10B 'near':8A 'nice':5A 'oldies':15 'prerock':22 're':2A,21 'so':4A 'spotlight':11C 'the':9B 'to':6A 'unsorted':23 'you':1A,20 'youre':3A
                                    'tag_tracknum'  235
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['a cappella']
                                        'tag_date'  1955
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1621698219.0239656  (2021-05-22 17:43:39)
                             'size'  6333043