======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '300'
                                          'artist'  'μ-Ziq'
                                     'text_people'  ''
                                         'release'  'Lunatic Harness'
                                           'title'  'Secret Stair, Part 2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'electronic', 'experimental', 'ambient', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '99.1'
                                             'key'  '1A'
                                        'acoustid'  '150679df-d046-400a-914b-6365fa16a997'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Lunatic Harness'
'TBPM' (BPM (beats per minute))                     '99.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-07-01'
'TIT2' (Title/songname/content description)         'Secret Stair, Part 2'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'μ-Ziq'
'TPE2' (Band/orchestra/accompaniment)               'μ-Ziq'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Astralwerks'
'TRCK' (Track number/Position in set)               '9/13'
'TSO2'                                              'Mu-Ziq'
'TSOP' (Performer sort order)                       'Mu-Ziq'
'TXXX:ASIN'                                         'B000003RYX'
'TXXX:Acoustid Id'                                  '150679df-d046-400a-914b-6365fa16a997'
'TXXX:BARCODE'                                      '017046620123'
'TXXX:CATALOGNUMBER'                                'ASW 6201-2'
'TXXX:MusicBrainz Album Artist Id'                  'aae5b930-c59c-4509-81a1-4e65e8f424e4'
'TXXX:MusicBrainz Album Id'                         'e6051970-03c3-3bb6-91bc-876a6f57ff68'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'aae5b930-c59c-4509-81a1-4e65e8f424e4'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['idm', 'electronic', 'experimental', 'ambient', 'electronica']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.531699'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3adfd62b-c6e0-4eb0-8078-025dae1bce2c')

========================== row from database ==========================
                                              'id'  1389592
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/µ-Ziq – Lunatic harness (1997)/09 Secret Stair, Pt. 2.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  300
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  7284643
                                           'mtime'  1620564541
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats µ – harness (1997) 09 Pt. electronic generic or radio beats
                                      'tag_artist'  μ-Ziq
                                     'tag_release'  Lunatic Harness
                                       'tag_title'  Secret Stair, Part 2
                                             'bpm'  99.1
                                    'search_title'  '2':5 'part':4 'secret':1 'stair':2,3
                                   'search_artist'  'm':4 'mziq':6 'ziq':2,5 'μ':1 'μziq':3
                                  'search_release'  'harness':2 'lunatic':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '1997':9,10 'beats':5 'electronic':13 'generic':14 'harder':4 'harness':8 'house':3 'm':7 'or':15 'pt':11,12 'radio':16 'µ':6
                                    'search_combo'  '00poprockelectronic':14 '00techno':15 '1997':22,23 '2':5A 'beats':18 'electronic':26 'generic':27 'harder':17 'harness':13C,21 'house':16 'lunatic':12C 'm':9B,20 'mziq':11B 'or':28 'part':4A 'pt':24,25 'radio':29 'secret':1A 'stair':2A,3A 'ziq':7B,10B 'µ':19 'μ':6B 'μziq':8B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'electronic', 'experimental', 'ambient', 'electronica']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620564541.0396228  (2021-05-09 14:49:01)
                             'size'  7284643