======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Kosheen'
                                     'text_people'  ''
                                         'release'  'Resist'
                                           'title'  'Catch (V3)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'female vocalists', 'electronic', 'drum and bass']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '129.896'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Resist'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Catch (V3)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kosheen'
'TRCK' (Track number/Position in set)               '4'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'female vocalists', 'electronic', 'drum and bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.377914'

========================== row from database ==========================
                                              'id'  1325388
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Kosheen/MBZ;#Kosheen;#Resist;#04;#Catch (V3).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  4887814
                                           'mtime'  1621697688
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb MBZ;#Kosheen;#Resist;#04;#Catch electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Kosheen
                                     'tag_release'  Resist
                                       'tag_title'  Catch (V3)
                                             'bpm'  129.896
                                    'search_title'  'catch':1 'v3':2,3
                                   'search_artist'  'kosheen':1
                                  'search_release'  'resist':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '04':6,11 'breakbeat':15 'catch':7,12 'dnb':17 'electronic':13 'jungle':18 'kosheen':4,9 'mbz':3,8 'or':16 'resist':5,10 'th':14
                                    'search_combo'  '00dnb':7 '00poprockelectronic':6 '04':11,16 'breakbeat':20 'catch':1A,12,17 'dnb':22 'electronic':18 'jungle':23 'kosheen':4B,9,14 'mbz':8,13 'or':21 'resist':5C,10,15 'th':19 'v3':2A,3A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', '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-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'trip hop', 'female vocalists', 'electronic', 'drum and bass']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697687.5012336  (2021-05-22 17:34:47)
                             'size'  4887814