======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '229'
                                          'artist'  'Abba'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD1"
                                           'title'  'Dancing Queen'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', '70s', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0101'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '100.6'
                                             'key'  '11B'
                                        '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 - CD1"
'TBPM' (BPM (beats per minute))                     '100.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Dancing Queen'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Abba'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '0101/20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swedish', '70s', 'pop', 'disco']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-7.23 dB'
'TXXX:replaygain_track_peak'                        '0.966358'

========================== row from database ==========================
                                              'id'  1530400
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0101 - Various - Dancing Queen - (Abba).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  229
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5615210
                                           'mtime'  1630252573
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0101 Various (Abba) electronic we disco italo
                                      'tag_artist'  Abba
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD1
                                       'tag_title'  Dancing Queen
                                             'bpm'  100.6
                                    'search_title'  'dancing':1 'queen':2
                                   'search_artist'  'abba':1
                                  'search_release'  '70':1 '70s':3 'cd1':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0101':16 '100':6 '192':15 '2017':14 '70':8 'abba':17,18 'artists':5 'collection':12,13 'disco':21 'electronic':19 'funk':2 'hits':7 'italo':22 's':9 'soul':3 'swing':1 'the':10,11 'various':4 'we':20
                                    'search_combo'  '0101':26 '100':16 '192':25 '2017':24 '70':4C,18 '70s':6C 'abba':3B,27,28 'artists':15 'cd1':10C 'collection':9C,22,23 'dancefloor':7C 'dancing':1A 'disco':31 'electronic':29 'funk':12 'hits':17 'italo':32 'queen':2A 's':5C,19 'soul':13 'swing':11 'the':20,21 'ultimate':8C 'various':14 'we':30
                                    'tag_tracknum'  101
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['swedish', '70s', 'pop', 'disco']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630252572.817133  (2021-08-29 17:56:12)
                             'size'  5615210