======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  '2 UNLIMITED'
                                     'text_people'  ''
                                         'release'  'Hits Unlimited'
                                           'title'  'No Limit'
                                           'quals'  ("['Q-SYN-3', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'eurodance', 'techno', 'electronic', '90s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '141.2'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:¸\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xb8\x1b\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hits Unlimited'
'TBPM' (BPM (beats per minute))                     '141.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'ShpurloS'
'TIT2' (Title/songname/content description)         'No Limit'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               '2 UNLIMITED'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'eurodance', 'techno', 'electronic', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.550429'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.nowals.ru')

========================== row from database ==========================
                                              'id'  1301433
                                            'path'  /data/Music/Bulk/00poprockelectronic/Energy FM 104.2 [OLD]/2 UNLIMITED - No Limit.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  3346304
                                           'mtime'  1639511342
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Energy FM 104.2 [OLD] electronic th ent eurodance
                                      'tag_artist'  2 UNLIMITED
                                     'tag_release'  Hits Unlimited
                                       'tag_title'  No Limit
                                             'bpm'  141.2
                                    'search_title'  'limit':2 'no':1
                                   'search_artist'  '2':1 'unlimited':2
                                  'search_release'  'hits':1 'unlimited':2
                                     'search_rest'  '00poprockelectronic':1 '104':4 '1042':6 '2':5 'electronic':9 'energy':2 'ent':11 'eurodance':12 'fm':3 'old':7,8 'th':10
                                    'search_combo'  '00poprockelectronic':7 '104':10 '1042':12 '2':3B,11 'electronic':15 'energy':8 'ent':17 'eurodance':18 'fm':9 'hits':5C 'limit':2A 'no':1A 'old':13,14 'th':16 'unlimited':4B,6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'Q-SYN-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'eurodance', 'techno', 'electronic', '90s']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639511342.3263876  (2021-12-14 20:49:02)
                             'size'  3346304