======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '226'
                                          'artist'  'The Rolling Stones'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 34'
                                           'title'  'Paint It, Black (mono mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'rock', '60s', 'british', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '50'
                                      'tracktotal'  '100'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '145.371'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 34'
'TBPM' (BPM (beats per minute))                     '145.371'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         'Paint It, Black (mono mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rolling Stones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '50/100'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'rock', '60s', 'british', 'blues']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+12.13 dB'
'TXXX:replaygain_track_peak'                        '0.131699'

========================== row from database ==========================
                                              'id'  1299955
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 35/50 Rolling Stones - Paint It, Black.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  226
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  9542081
                                           'mtime'  1620565260
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 35 50 electronic generic or radio unsorted
                                      'tag_artist'  The Rolling Stones
                                     'tag_release'  100 Oldies Deel 34
                                       'tag_title'  Paint It, Black (mono mix)
                                             'bpm'  145.371
                                    'search_title'  'black':4 'it':2,3 'mix':7,8 'mono':5,6 'paint':1
                                   'search_artist'  'rolling':2 'stones':3 'the':1
                                  'search_release'  '100':1 '34':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '35':4 '50':5 'deel':3 'electronic':6 'generic':7 'oldies':2 'or':8 'radio':9 'unsorted':10
                                    'search_combo'  '00poprockelectronic':16 '100':12C '34':15C '35':19 '50':20 'black':4A 'deel':14C,18 'electronic':21 'generic':22 'it':2A,3A 'mix':7A,8A 'mono':5A,6A 'oldies':13C,17 'or':23 'paint':1A 'radio':24 'rolling':10B 'stones':11B 'the':9B 'unsorted':25
                                    'tag_tracknum'  50
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'rock', '60s', 'british', 'blues']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565260.4934857  (2021-05-09 15:01:00)
                             'size'  9542081