======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '133'
                                          'artist'  'charlie ace'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'book of books - [uk punch ph 53 [1] 1970]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['all', 'reggae', '7soul', 'buryblue', 'toast toppers']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '94.591'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '94.591'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'book of books - [uk punch ph 53 [1] 1970]'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'charlie ace'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'reggae', '7soul', 'buryblue', 'toast toppers']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.557418'

========================== row from database ==========================
                                              'id'  985313
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/charlie ace - book of books - [uk punch ph 53 [1] 1970].mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  133
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  1334090
                                           'mtime'  1620524199
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  charlie ace
                                     'tag_release'  Reggae Singles
                                       'tag_title'  book of books - [uk punch ph 53 [1] 1970]
                                             'bpm'  94.591
                                    'search_title'  '1':9,10 '1970':11,12 '53':8 'book':1 'books':3 'of':2 'ph':7 'punch':6 'uk':4,5
                                   'search_artist'  'ace':2 'charlie':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  'and':10 'dancehall':8 'dub':6 'loc':3 'or':5 'reggae':1 'roots':9 'singles':2 'ska':7 'style':4
                                    'search_combo'  '1':9A,10A '1970':11A,12A '53':8A 'ace':14B 'and':26 'book':1A 'books':3A 'charlie':13B 'dancehall':24 'dub':22 'loc':19 'of':2A 'or':21 'ph':7A 'punch':6A 'reggae':15C,17 'roots':25 'singles':16C,18 'ska':23 'style':20 'uk':4A,5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['all', 'reggae', '7soul', 'buryblue', 'toast toppers']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524199.4533153  (2021-05-09 03:36:39)
                             'size'  1334090