======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '327'
                                          'artist'  'Luis Radio'
                                     'text_people'  'Luis Radio'
                                         'release'  'Uncle Frank'
                                           'title'  'Uncle Frank (Original Mix )'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'dance', 'relax']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '03'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-house'
                                             'bpm'  '123'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Uncle Frank'
'TBPM' (BPM (beats per minute))                     '123'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-house'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Uncle Frank (Original Mix )'
'TKEY' (Initial key)                                '6A'
'TOAL' (Original album/movie/show title)            'Uncle Frank'
'TOPE' (Original artist(s)/performer(s))            'Luis Radio'
'TPE1' (Lead performer(s)/Soloist(s))               'Luis Radio'
'TPE2' (Band/orchestra/accompaniment)               'Luis Radio'
'TPUB' (Publisher)                                  'Power Of The Drum Records'
'TRCK' (Track number/Position in set)               '01/03'
'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'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['house', 'dance', 'relax']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.18 dB'
'TXXX:replaygain_track_peak'                        '0.515831'

========================== row from database ==========================
                                              'id'  1385586
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/006. Luis Radio - Uncle Frank (Original Mix ).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  327
                                           'genre'  electronic-th-house
                                        'filesize'  13190641
                                           'mtime'  1621696818
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 006. electronic th house
                                      'tag_artist'  Luis Radio
                                     'tag_release'  Uncle Frank
                                       'tag_title'  Uncle Frank (Original Mix )
                                             'bpm'  123.0
                                    'search_title'  'frank':2 'mix':5 'original':3,4 'uncle':1
                                   'search_artist'  'luis':1 'radio':2
                                  'search_release'  'frank':2 'uncle':1
                                     'search_rest'  '006':7,8 '00poprockelectronic':1 'electronic':9 'files':5,6 'house':11 'loose':3,4 'th':10 'unsorted':2
                                    'search_combo'  '006':16,17 '00poprockelectronic':10 'electronic':18 'files':14,15 'frank':2A,9C 'house':20 'loose':12,13 'luis':6B 'mix':5A 'original':3A,4A 'radio':7B 'th':19 'uncle':1A,8C 'unsorted':11
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['house', 'dance', 'relax']
                                        'tag_date'  2014
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696818.1521025  (2021-05-22 17:20:18)
                             'size'  13190641