======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '408'
                                          'artist'  'Sure Thing'
                                     'text_people'  ''
                                         'release'  'Bargrooves: Deluxe Edition (2017)'
                                           'title'  'Holding You Tight (Dr. Packer Extended Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['country', 'alt-country', 'blus rock', 'alt country', 'new alternative "
 "country and western folk rock swing']")
                                     'discogstags'  "['electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '114.01'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bargrooves: Deluxe Edition (2017)'
'TBPM' (BPM (beats per minute))                     '114.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Holding You Tight (Dr. Packer Extended Remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sure Thing'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'disco']
'TXXX:lastfmtags'                                   ['country',
 'alt-country',
 'blus rock',
 'alt country',
 'new alternative country and western folk rock swing']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.410646'

========================== row from database ==========================
                                              'id'  1299353
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Sure Thing - Holding You Tight (Dr. Packer Extended Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  408
                                           'genre'  electronic-unsorted
                                        'filesize'  16431104
                                           'mtime'  1620571176
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 2016 electronic unsorted
                                      'tag_artist'  Sure Thing
                                     'tag_release'  Bargrooves: Deluxe Edition (2017)
                                       'tag_title'  Holding You Tight (Dr. Packer Extended Remix)
                                             'bpm'  114.01
                                    'search_title'  'dr':4,5 'extended':7 'holding':1 'packer':6 'remix':8,9 'tight':3 'you':2
                                   'search_artist'  'sure':1 'thing':2
                                  'search_release'  '2017':5,6 'bargrooves':1,2 'deluxe':3 'edition':4
                                     'search_rest'  '00poprockelectronic':1 '2015':4 '2016':5 'electronic':6 'guy':3 'marvin':2 'unsorted':7
                                    'search_combo'  '00poprockelectronic':18 '2015':21 '2016':22 '2017':16C,17C 'bargrooves':12C,13C 'deluxe':14C 'dr':4A,5A 'edition':15C 'electronic':23 'extended':7A 'guy':20 'holding':1A 'marvin':19 'packer':6A 'remix':8A,9A 'sure':10B 'thing':11B 'tight':3A 'unsorted':24 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'alt-country', 'blus rock', 'alt country', 'new alternative country and western folk rock swing']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic', 'disco']

============================== file details ==============================
                                           'mtime'  1620571176.093899  (2021-05-09 16:39:36)
                             'size'  16431104