======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '300'
                                          'artist'  'Culture Shock'
                                     'text_people'  ''
                                         'release'  'Select Mix - 80s Essentials Vol.15'
                                           'title'  'Part Time Lover (Select Mix Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['drum and bass', 'liquid funk', 'dnb', 'punk', 'anarcho-punk']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '6'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '87.294'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '/'
'COMM:ID3v1 Comment:XXX'                            '/'
'COMM:Lyrics3 v2.00 INF:XXX'                        '/'
'TALB' (Album/Movie/Show title)                     'Select Mix - 80s Essentials Vol.15'
'TBPM' (BPM (beats per minute))                     '87.294'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1985'
'TDRL' (Release time)                               '2015'
'TENC' (Encoded by)                                 'LAME 3.99.5 V0'
'TIT2' (Title/songname/content description)         'Part Time Lover (Select Mix Remix)'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'German'
'TPE1' (Lead performer(s)/Soloist(s))               'Stevie Wonder'
'TPE2' (Band/orchestra/accompaniment)               'Culture Shock'
'TRCK' (Track number/Position in set)               '6/6'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.99'
'TXXX:AlbumArtist'                                  'Culture Shock'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['drum and bass', 'liquid funk', 'dnb', 'punk', 'anarcho-punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.478895'

========================== row from database ==========================
                                              'id'  1282154
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/274-C Stevie Wonder - Part Time Lover (Select Mix Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  300
                                           'genre'  electronic-unsorted
                                        'filesize'  12118481
                                           'mtime'  1621697694
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 274 Stevie Wonder electronic unsorted
                                      'tag_artist'  Culture Shock
                                     'tag_release'  Select Mix - 80s Essentials Vol.15
                                       'tag_title'  Part Time Lover (Select Mix Remix)
                                             'bpm'  87.294
                                    'search_title'  'lover':3 'mix':6 'part':1 'remix':7,8 'select':4,5 'time':2
                                   'search_artist'  'culture':1 'shock':2
                                  'search_release'  '15':6 '80s':3 'essentials':4 'mix':2 'select':1 'vol':5 'vol15':7
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '274':4 'complete':3 'electronic':7 'stevie':5 'unsorted':8 'wonder':6
                                    'search_combo'  '00poprockelectronic':18 '15':16C '1985':19 '274':21 '80s':13C 'complete':20 'culture':9B 'electronic':24 'essentials':14C 'lover':3A 'mix':6A,12C 'part':1A 'remix':7A,8A 'select':4A,5A,11C 'shock':10B 'stevie':22 'time':2A 'unsorted':25 'vol':15C 'vol15':17C 'wonder':23
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['drum and bass', 'liquid funk', 'dnb', 'punk', 'anarcho-punk']
                                        'tag_date'  1985
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621697693.7729104  (2021-05-22 17:34:53)
                             'size'  12118481