======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'Kalin Twins'
                                     'text_people'  ''
                                         'release'  'When'
                                           'title'  "It's Only The Beginning"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'usa', 'pop', '60s', '50s']"
                                     'discogstags'  "['rock', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '105.313'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-259 POS 42'
'COMM:ID3v1 Comment:XXX'                            '59-259 POS 42'
'TALB' (Album/Movie/Show title)                     'When'
'TBPM' (BPM (beats per minute))                     '105.313'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "It's Only The Beginning"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kalin Twins'
'TPE2' (Band/orchestra/accompaniment)               'Kalin Twins'
'TRCK' (Track number/Position in set)               '10'
'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'                                  ['rock', 'rock & roll']
'TXXX:lastfmtags'                                   ['oldies', 'usa', 'pop', '60s', '50s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.428142'

========================== row from database ==========================
                                              'id'  1512195
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-259 - Kalin Twins - It_s Only The Beginning.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  prerock-unsorted
                                        'filesize'  6455296
                                           'mtime'  1621698411
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 259 It_s prerock unsorted
                                      'tag_artist'  Kalin Twins
                                     'tag_release'  When
                                       'tag_title'  It's Only The Beginning
                                             'bpm'  105.313
                                    'search_title'  'beginning':6 'it':1 'its':3 'only':4 's':2 'the':5
                                   'search_artist'  'kalin':1 'twins':2
                                  'search_release'  'when':1
                                     'search_rest'  '00oldiepop':5 '1959':6 '259':8 '59':7 'country':4 'exotica':2 'it':9 'jazz':1 'oldies':3 'prerock':11 's':10 'unsorted':12
                                    'search_combo'  '00oldiepop':14 '1959':15 '259':17 '59':16 'beginning':6A 'country':13 'exotica':11 'it':1A,18 'its':3A 'jazz':10 'kalin':7B 'oldies':12 'only':4A 'prerock':20 's':2A,19 'the':5A 'twins':8B 'unsorted':21 'when':9C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           '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-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'usa', 'pop', '60s', '50s']
                                        'tag_date'  1959
                                     'discogstags'  ['rock', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1621698410.801877  (2021-05-22 17:46:50)
                             'size'  6455296