======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '165'
                                          'artist'  'Zerrin Zeren'
                                     'text_people'  ''
                                         'release'  '375turk'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-m-turkey'
                                             'bpm'  '109.883'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '375turk'
'TBPM' (BPM (beats per minute))                     '109.883'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey'
'TDRC' (Recording time)                             '1970'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zerrin Zeren'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.506634'

========================== row from database ==========================
                                              'id'  928078
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/375turk/Zerrin Zeren – İnsan Doğarken Ağlar.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  165
                                           'genre'  loc-m-turkey
                                        'filesize'  2649914
                                           'mtime'  1620526375
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east – İnsan Doğarken Ağlar loc m turkey
                                      'tag_artist'  Zerrin Zeren
                                     'tag_release'  375turk
                                       'tag_title'  None
                                             'bpm'  109.883
                                    'search_title'  None
                                   'search_artist'  'zeren':2 'zerrin':1
                                  'search_release'  '375turk':1
                                     'search_rest'  '00south':1 'aglar':8,9 'dogarken':6,7 'east':4 'europe':2 'insan':5 'loc':10 'm':11 'middle':3 'turkey':12
                                    'search_combo'  '00south':4 '375turk':3C 'aglar':11,12 'dogarken':9,10 'east':7 'europe':5 'insan':8 'loc':13 'm':14 'middle':6 'turkey':15 'zeren':2B 'zerrin':1B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-piano-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620526374.600421  (2021-05-09 04:12:54)
                             'size'  2649914