======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '115'
                                          'artist'  'Elvis Costello'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Poison Moon'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '141.909'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'C:\\MusicMatch Jukebox 3\\MUSI'
'COMM:MusicMatch_Path:XXX'                          'C:\\MusicMatch Jukebox 3\\MUSIC\\My Aim Is True\\22_Poison Moon.mp3'
'COMM:MusicMatch_Serial:XXX'                        '277A64C'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         'Poison Moon'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '115000'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvis Costello'
'TRCK' (Track number/Position in set)               '22'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.42 dB'
'TXXX:replaygain_track_peak'                        '0.955379'

========================== row from database ==========================
                                              'id'  1312061
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/22_Poison Moon.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  115
                                           'genre'  rock-unsorted
                                        'filesize'  1855834
                                           'mtime'  1676052984
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 22_Poison rock unsorted
                                      'tag_artist'  Elvis Costello
                                     'tag_release'  None
                                       'tag_title'  Poison Moon
                                             'bpm'  141.909
                                    'search_title'  'moon':2 'poison':1
                                   'search_artist'  'costello':2 'elvis':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '22':7 'files':5,6 'loose':3,4 'poison':8 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 '22':11 'costello':4B 'elvis':3B 'files':9,10 'loose':7,8 'moon':2A 'poison':1A,12 'rock':13 'unsorted':6
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052984.4759538  (2023-02-10 19:16:24)
                             'size'  1855834