======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '325'
                                          'artist'  'Paul Mccartney'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'pop', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'electronic', 'pop', 'ballad', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '97.977'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'C:\\Program Files\\Creative\\Cr'
'COMM:MusicMatch_Path:XXX'                          ('C:\\Program Files\\Creative\\Creative Digital Audio '
 'Center\\Music\\McCartney\\__08_Track  8.mp3')
'COMM:MusicMatch_Serial:XXX'                        'E07FF8'
'TBPM' (BPM (beats per minute))                     '97.977'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '325000'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Mccartney'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'electronic', 'pop', 'ballad', 'disco']
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+5.15 dB'
'TXXX:replaygain_track_peak'                        '0.883863'
'TXXX:title'                                        ['Track  8', 'Ram - 08 - Monkberry Moon Del']

========================== row from database ==========================
                                              'id'  1342957
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Paul Mccartney - Ram - 08 - Monkberry Moon Delight.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  325
                                           'genre'  ifs-songwriter
                                        'filesize'  6518656
                                           'mtime'  1623435932
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Ram 08 Monkberry Moon Delight ifs songwriter
                                      'tag_artist'  Paul Mccartney
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  97.977
                                    'search_title'  None
                                   'search_artist'  'mccartney':2 'paul':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'delight':10 'files':5,6 'ifs':11 'loose':3,4 'monkberry':8 'moon':9 'ram':7 'songwriter':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':3 'delight':12 'files':7,8 'ifs':13 'loose':5,6 'mccartney':2B 'monkberry':10 'moon':11 'paul':1B 'ram':9 'songwriter':14 'unsorted':4
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-piano-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  ['rock', 'electronic', 'pop', 'ballad', 'disco']

============================== file details ==============================
                                           'mtime'  1623435931.945566  (2021-06-11 20:25:31)
                             'size'  6518656