======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '306'
                                          'artist'  'Nile Rodgers'
                                     'text_people'  ''
                                         'release'  'TEN (10 Years Of Cr2 Records)'
                                           'title'  'Do What You Wanna Do (The Reflex Greatest Dancer Mix)'
                                           'quals'  ("['Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '123.00'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'TEN (10 Years Of Cr2 Records)'
'TBPM' (BPM (beats per minute))                     '123.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Do What You Wanna Do (The Reflex Greatest Dancer Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nile Rodgers'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.388538'

========================== row from database ==========================
                                              'id'  1326941
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Nile Rodgers - Do What You Wanna Do (The Reflex Greatest Dancer Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  306
                                           'genre'  electronic-unsorted
                                        'filesize'  12326743
                                           'mtime'  1620571110
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 2016 electronic unsorted
                                      'tag_artist'  Nile Rodgers
                                     'tag_release'  TEN (10 Years Of Cr2 Records)
                                       'tag_title'  Do What You Wanna Do (The Reflex Greatest Dancer Mix)
                                             'bpm'  123.0
                                    'search_title'  'dancer':9 'do':1 'greatest':8 'mix':10,11 'reflex':7 'the':5,6 'wanna':4 'what':2 'you':3
                                   'search_artist'  'nile':1 'rodgers':2
                                  'search_release'  '10':2,3 'cr2':6 'of':5 'records':7,8 'ten':1 'years':4
                                     'search_rest'  '00poprockelectronic':1 '2015':4 '2016':5 'electronic':6 'guy':3 'marvin':2 'unsorted':7
                                    'search_combo'  '00poprockelectronic':22 '10':15C,16C '2015':25 '2016':26 'cr2':19C 'dancer':9A 'do':1A 'electronic':27 'greatest':8A 'guy':24 'marvin':23 'mix':10A,11A 'nile':12B 'of':18C 'records':20C,21C 'reflex':7A 'rodgers':13B 'ten':14C 'the':5A,6A 'unsorted':28 'wanna':4A 'what':2A 'years':17C 'you':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'soul', 'funk', 'disco']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571110.09417  (2021-05-09 16:38:30)
                             'size'  12326743