======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '165'
                                          'artist'  'Roaches'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  'Beatle Mania Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '129'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.476'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Beatle Mania Blues'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roaches'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '129'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.384041'

========================== row from database ==========================
                                              'id'  984518
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/129 Roaches - Beatle mania blues.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  165
                                           'genre'  prerock-unsorted
                                        'filesize'  2650514
                                           'mtime'  1622760186
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 129 mania blues prerock unsorted
                                      'tag_artist'  Roaches
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  Beatle Mania Blues
                                             'bpm'  145.476
                                    'search_title'  'beatle':1 'blues':3 'mania':2
                                   'search_artist'  'roaches':1
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '11':6,7 '129':10 '63':8,9 'blues':12 'country':4 'exotica':2 'jazz':1 'mania':11 'oldies':3 'prerock':13 'under':5 'unsorted':14
                                    'search_combo'  '11':13,14 '129':17 '5':7C '63':15,16 'beatle':1A 'blues':3A,19 'bubbling':5C 'country':11 'exotica':9 'jazz':8 'mania':2A,18 'oldies':10 'prerock':20 'roaches':4B 'under':6C,12 'unsorted':21
                                    'tag_tracknum'  129
                                      '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-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760185.935691  (2021-06-04 00:43:05)
                             'size'  2650514