======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '303'
                                          'artist'  'Daft Punk vs. Earth, Wind & Fire'
                                     'text_people'  ''
                                         'release'  'DMC: Classic Mixes1 -  Earth Wind & Fire'
                                           'title'  "Give Life Back To Music vs. Let's Groove (DJ Ivan Santana)"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '115.01'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'DMC: Classic Mixes1 -  Earth Wind & Fire'
'TBPM' (BPM (beats per minute))                     '115.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "Give Life Back To Music vs. Let's Groove (DJ Ivan Santana)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Daft Punk vs. Earth, Wind & Fire'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.69 dB'
'TXXX:replaygain_track_peak'                        '0.616325'

========================== row from database ==========================
                                              'id'  1505020
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Daft Punk vs. Earth, Wind & Fire - Give Life Back To Music vs. Let_s Groove (DJ Ivan Santana).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  303
                                           'genre'  electronic-unsorted
                                        'filesize'  12403469
                                           'mtime'  1620570972
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin Guy 2015 2016 Let_s electronic unsorted
                                      'tag_artist'  Daft Punk vs. Earth, Wind & Fire
                                     'tag_release'  DMC: Classic Mixes1 -  Earth Wind & Fire
                                       'tag_title'  Give Life Back To Music vs. Let's Groove (DJ Ivan Santana)
                                             'bpm'  115.01
                                    'search_title'  'back':3 'dj':12,13 'give':1 'groove':11 'ivan':14 'let':8 'lets':10 'life':2 'music':5 's':9 'santana':15,16 'to':4 'vs':6,7
                                   'search_artist'  'daft':1 'earth':5,6 'fire':8 'punk':2 'vs':3,4 'wind':7
                                  'search_release'  'classic':3 'dmc':1,2 'earth':5 'fire':7 'mixes1':4 'wind':6
                                     'search_rest'  '00poprockelectronic':1 '2015':4 '2016':5 'electronic':8 'guy':3 'let':6 'marvin':2 's':7 'unsorted':9
                                    'search_combo'  '00poprockelectronic':32 '2015':35 '2016':36 'back':3A 'classic':27C 'daft':17B 'dj':12A,13A 'dmc':25C,26C 'earth':21B,22B,29C 'electronic':39 'fire':24B,31C 'give':1A 'groove':11A 'guy':34 'ivan':14A 'let':8A,37 'lets':10A 'life':2A 'marvin':33 'mixes1':28C 'music':5A 'punk':18B 's':9A,38 'santana':15A,16A 'to':4A 'unsorted':40 'vs':6A,7A,19B,20B 'wind':23B,30C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570971.9741743  (2021-05-09 16:36:11)
                             'size'  12403469