======================== unified (from filesystem) ========================
                                         'bitrate'  '271.351'
                                        'duration'  '576'
                                          'artist'  'Haldolium'
                                     'text_people'  ''
                                         'release'  'H2'
                                           'title'  'Calma'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  ("['psychedelic', 'progressive psytrance', 'psychedelic trance', 'progressive "
 "trance', 'psytrance']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '05'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '112.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'H2'
'TBPM' (BPM (beats per minute))                     '112.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Calma'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Haldolium'
'TPE2' (Band/orchestra/accompaniment)               'Haldolium'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '08/05'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['psychedelic',
 'progressive psytrance',
 'psychedelic trance',
 'progressive trance',
 'psytrance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.623666'

========================== row from database ==========================
                                              'id'  1327809
                                            'path'  /data/Music/Bulk/00poprockelectronic/Haldolium/(2000) H2/208. Calma.mp3
                                         'working'  None
                                         'bitrate'  271
                                    'duration_sec'  576
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  19588555
                                           'mtime'  1620569665
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2000) 208. electronic th trance goa or psy
                                      'tag_artist'  Haldolium
                                     'tag_release'  H2
                                       'tag_title'  Calma
                                             'bpm'  112.0
                                    'search_title'  'calma':1
                                   'search_artist'  'haldolium':1
                                  'search_release'  'h2':1
                                     'search_rest'  '00poprockelectronic':1 '2000':2,3 '208':4,5 'electronic':6 'goa':9 'or':10 'psy':11 'th':7 'trance':8
                                    'search_combo'  '00poprockelectronic':4 '2000':5,6 '208':7,8 'calma':1A 'electronic':9 'goa':12 'h2':3C 'haldolium':2B 'or':13 'psy':14 'th':10 'trance':11
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'progressive psytrance', 'psychedelic trance', 'progressive trance', 'psytrance']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620569664.7346244  (2021-05-09 16:14:24)
                             'size'  19588555