======================== unified (from filesystem) ========================
                                         'bitrate'  '271.267'
                                        'duration'  '148'
                                          'artist'  'Tipsy'
                                     'text_people'  ''
                                         'release'  'Dimension Mix'
                                           'title'  'Popcorn'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'electronic', 'downtempo', 'electronica', 'trip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '133.1'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimension Mix'
'TBPM' (BPM (beats per minute))                     '133.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Popcorn'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tipsy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['lounge', 'electronic', 'downtempo', 'electronica', 'trip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.324697'

========================== row from database ==========================
                                              'id'  918973
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack/2005 - VA - Dimension Mix： Tribute To Dimension 5, Music Of Haack & Nelson (Eenie Meenie) [vBr]/(06) Tipsy - Popcorn.mp3
                                         'working'  None
                                         'bitrate'  271
                                    'duration_sec'  148
                                           'genre'  electronic-experimental
                                        'filesize'  5032108
                                           'mtime'  1636916824
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Bruce Haack 2005 VA Mix： Tribute To 5, Music Of Haack & Nelson (Eenie Meenie) [vBr] (06) electronic experimental
                                      'tag_artist'  Tipsy
                                     'tag_release'  Dimension Mix
                                       'tag_title'  Popcorn
                                             'bpm'  133.1
                                    'search_title'  'popcorn':1
                                   'search_artist'  'tipsy':1
                                  'search_release'  'dimension':1 'mix':2
                                     'search_rest'  '06':21,22 '2005':3 '5':10,11 'br':27,28 'bruce':1 'eenie':15,16 'electronic':23 'experimental':24 'haack':2 'meenie':17,18 'mix':5,6,7 'music':12 'nelson':14 'of':13 'to':9 'tribute':8 'v':25,26 'va':4 'vbr':19,20
                                    'search_combo'  '06':25,26 '2005':7 '5':14,15 'br':31,32 'bruce':5 'dimension':3C 'eenie':19,20 'electronic':27 'experimental':28 'haack':6 'meenie':21,22 'mix':4C,9,10,11 'music':16 'nelson':18 'of':17 'popcorn':1A 'tipsy':2B 'to':13 'tribute':12 'v':29,30 'va':8 'vbr':23,24
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'electronic', 'downtempo', 'electronica', 'trip hop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916823.6930542  (2021-11-14 20:07:03)
                             'size'  5032108