======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '284'
                                          'artist'  'Dania'
                                     'text_people'  ''
                                         'release'  'New Title'
                                           'title'  'Leily'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lebanese', 'arabic', 'arabic pop', 'female vocalists', 'world']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '99.910'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'New Title'
'TBPM' (BPM (beats per minute))                     '99.910'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Leily'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '284000'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Dania'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['lebanese', 'arabic', 'arabic pop', 'female vocalists', 'world']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.717258'

========================== row from database ==========================
                                              'id'  929252
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Arabic Music Singles/2 Med. Volume [174k VBR]/Dania - Leiley.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  284
                                           'genre'  loc-m
                                        'filesize'  4558720
                                           'mtime'  1620526375
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Arabic Music Singles 2 Med. Volume [174k VBR] Leiley loc m
                                      'tag_artist'  Dania
                                     'tag_release'  New Title
                                       'tag_title'  Leily
                                             'bpm'  99.91
                                    'search_title'  'leily':1
                                   'search_artist'  'dania':1
                                  'search_release'  'new':1 'title':2
                                     'search_rest'  '00south':1 '174k':12,13 '2':8 'arabic':5 'east':4 'europe':2 'leiley':16 'loc':17 'm':18 'med':9,10 'middle':3 'music':6 'singles':7 'vbr':14,15 'volume':11
                                    'search_combo'  '00south':5 '174k':16,17 '2':12 'arabic':9 'dania':2B 'east':8 'europe':6 'leiley':20 'leily':1A 'loc':21 'm':22 'med':13,14 'middle':7 'music':10 'new':3C 'singles':11 'title':4C 'vbr':18,19 'volume':15
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lebanese', 'arabic', 'arabic pop', 'female vocalists', 'world']
                                        'tag_date'  2000
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620526374.6657531  (2021-05-09 04:12:54)
                             'size'  4558720