======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '242'
                                          'artist'  'Dazzle'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD2"
                                           'title'  'Walk Before You Run'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'uplifting trance', 'progressive trance', 'electronica', 'disco']"
                                     'discogstags'  "['funk / soul', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0216'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '117.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Freak37'
'TALB' (Album/Movie/Show title)                     "70's Dancefloor Ultimate Collection - CD2"
'TBPM' (BPM (beats per minute))                     '117.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Walk Before You Run'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dazzle'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2'
'TRCK' (Track number/Position in set)               '0216/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'disco']
'TXXX:lastfmtags'                                   ['trance', 'uplifting trance', 'progressive trance', 'electronica', 'disco']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '-6.92 dB'
'TXXX:replaygain_track_peak'                        '1.021189'

========================== row from database ==========================
                                              'id'  1530449
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0216 - Various - Walk Before You Run - (Dazzle).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  242
                                           'genre'  electronic-unsorted
                                        'filesize'  5928698
                                           'mtime'  1676052997
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0216 Various (Dazzle) electronic unsorted
                                      'tag_artist'  Dazzle
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD2
                                       'tag_title'  Walk Before You Run
                                             'bpm'  117.4
                                    'search_title'  'before':2 'run':4 'walk':1 'you':3
                                   'search_artist'  'dazzle':1
                                  'search_release'  '70':1 '70s':3 'cd2':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0216':16 '100':6 '192':15 '2017':14 '70':8 'artists':5 'collection':12,13 'dazzle':17,18 'electronic':19 'funk':2 'hits':7 's':9 'soul':3 'swing':1 'the':10,11 'unsorted':20 'various':4
                                    'search_combo'  '0216':28 '100':18 '192':27 '2017':26 '70':6C,20 '70s':8C 'artists':17 'before':2A 'cd2':12C 'collection':11C,24,25 'dancefloor':9C 'dazzle':5B,29,30 'electronic':31 'funk':14 'hits':19 'run':4A 's':7C,21 'soul':15 'swing':13 'the':22,23 'ultimate':10C 'unsorted':32 'various':16 'walk':1A 'you':3A
                                    'tag_tracknum'  216
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['trance', 'uplifting trance', 'progressive trance', 'electronica', 'disco']
                                        'tag_date'  1975
                                     'discogstags'  ['funk / soul', 'disco']

============================== file details ==============================
                                           'mtime'  1676052996.6295834  (2023-02-10 19:16:36)
                             'size'  5928698