======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '367'
                                          'artist'  'Daft Punk'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'One More Time (alternate versi'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '122.957'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.957'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TIT2' (Title/songname/content description)         'One More Time (alternate versi'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Daft Punk'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'techno']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.87 dB'
'TXXX:replaygain_track_peak'                        '0.514839'

========================== row from database ==========================
                                              'id'  1321406
                                            'path'  /data/Music/Bulk/00poprockelectronic/Daft Punk/MBZ;#Daft Punk;#[non-album tracks];#02;#One More Time (alt version).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  367
                                           'genre'  electronic-th-techno
                                        'filesize'  8835053
                                           'mtime'  1620568789
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Daft Punk;#[non album tracks];#02;#One version) electronic th techno
                                      'tag_artist'  Daft Punk
                                     'tag_release'  None
                                       'tag_title'  One More Time (alternate versi
                                             'bpm'  122.957
                                    'search_title'  'alternate':4,5 'more':2 'one':1 'time':3 'versi':6
                                   'search_artist'  'daft':1 'punk':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '02':12,15 'album':10 'daft':3,5 'electronic':19 'mbz':2,4 'non':7,9 'one':13,16 'punk':6,8 'techno':21 'th':20 'tracks':11,14 'version':17,18
                                    'search_combo'  '00poprockelectronic':9 '02':20,23 'album':18 'alternate':4A,5A 'daft':7B,11,13 'electronic':27 'mbz':10,12 'more':2A 'non':15,17 'one':1A,21,24 'punk':8B,14,16 'techno':29 'th':28 'time':3A 'tracks':19,22 'versi':6A 'version':25,26
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'techno']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568788.5653365  (2021-05-09 15:59:48)
                             'size'  8835053