======================== unified (from filesystem) ========================
                                         'bitrate'  '182.147'
                                        'duration'  '212'
                                          'artist'  'Freeform'
                                     'text_people'  ''
                                         'release'  'Blu Tribunl'
                                           'title'  "It's Not My Blues"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'skam', 'warp', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage'
                                             'bpm'  '119.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Blu Tribunl'
'TBPM' (BPM (beats per minute))                     '119.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-collage'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "It's Not My Blues"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freeform'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'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', 'skam', 'warp', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.24 dB'
'TXXX:replaygain_track_peak'                        '0.726133'

========================== row from database ==========================
                                              'id'  1500116
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Rip Off Artist - 2004 - Akufen／Freeform／The Rip-Off Artist - Blu TribunL (Inflatabl Labl) [vBr]/11 Freeform – It_s Not My Blues.mp3
                                         'working'  None
                                         'bitrate'  182
                                    'duration_sec'  212
                                           'genre'  electronic-experimental-collage
                                        'filesize'  4850246
                                           'mtime'  1636920738
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm The Rip Off Artist 2004 Akufen／Freeform／The Rip Off Artist TribunL (Inflatabl Labl) [vBr] 11 – It_s electronic experimental collage
                                      'tag_artist'  Freeform
                                     'tag_release'  Blu Tribunl
                                       'tag_title'  It's Not My Blues
                                             'bpm'  119.3
                                    'search_title'  'blues':6 'it':1 'its':3 'my':5 'not':4 's':2
                                   'search_artist'  'freeform':1
                                  'search_release'  'blu':1 'tribunl':2
                                     'search_rest'  '2004':5 'akufen':6,9 'akufenfreeformthe':12 'artist':4 'br':29,30 'collage':24 'electronic':22 'experimental':23 'freeform':7,10 'inflatabl':14,15 'it':20 'l':26 'labl':16,17 'off':3 'rip':2 's':21 'the':1,8,11 'tribun':25 'tribunl':13 'v':27,28 'vbr':18,19
                                    'search_combo'  '2004':14 'akufen':15,18 'akufenfreeformthe':21 'artist':13 'blu':8C 'blues':6A 'br':38,39 'collage':33 'electronic':31 'experimental':32 'freeform':7B,16,19 'inflatabl':23,24 'it':1A,29 'its':3A 'l':35 'labl':25,26 'my':5A 'not':4A 'off':12 'rip':11 's':2A,30 'the':10,17,20 'tribun':34 'tribunl':9C,22 'v':36,37 'vbr':27,28
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'skam', 'warp', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636920738.4455123  (2021-11-14 21:12:18)
                             'size'  4850246