======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '387'
                                          'artist'  'Moby'
                                     'text_people'  ''
                                         'release'  '18'
                                           'title'  'Harbour'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '18'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '92'
                                             'key'  '10B'
                                        'acoustid'  'b25ef136-39dc-4af9-acf6-d2b83cccde03'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '18'
'TBPM' (BPM (beats per minute))                     '92'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Harbour'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Moby'
'TPE2' (Band/orchestra/accompaniment)               'Moby'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mute'
'TRCK' (Track number/Position in set)               '15/18'
'TSO2'                                              'Moby'
'TSOP' (Performer sort order)                       'Moby'
'TSRC' (ISRC (international standard recording code))  'GBAJH0200057/USVT10200023'
'TXXX:Acoustid Id'                                  'b25ef136-39dc-4af9-acf6-d2b83cccde03'
'TXXX:Artists'                                      'Moby'
'TXXX:BARCODE'                                      '6009509301506'
'TXXX:CATALOGNUMBER'                                'CDVIR (WF) 612'
'TXXX:MusicBrainz Album Artist Id'                  '8970d868-0723-483b-a75b-51088913d3d4'
'TXXX:MusicBrainz Album Id'                         'de88c422-1cf3-49cc-9095-3cda552b8727'
'TXXX:MusicBrainz Album Release Country'            'ZA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8970d868-0723-483b-a75b-51088913d3d4'
'TXXX:MusicBrainz Release Group Id'                 'f83ca650-ae20-3347-ba06-5eaa9ab163af'
'TXXX:MusicBrainz Release Track Id'                 'afc220f5-a3bf-3df5-8e47-fe11a572b074'
'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:discogstags'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'alternative', 'electronic', 'chillout', 'ambient']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.609413'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'448b12fe-2579-425c-9d16-66b070c89597')

========================== row from database ==========================
                                              'id'  1312416
                                            'path'  /data/Music/Bulk/00poprockelectronic/Moby/[2002] 18/Moby - Harbour - 15.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  387
                                           'genre'  electronic
                                        'filesize'  9362329
                                           'mtime'  1636914212
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2002] 15 electronic
                                      'tag_artist'  Moby
                                     'tag_release'  18
                                       'tag_title'  Harbour
                                             'bpm'  92.0
                                    'search_title'  'harbour':1
                                   'search_artist'  'moby':1
                                  'search_release'  '18':1
                                     'search_rest'  '00poprockelectronic':1 '2002':2,3 'electronic':4
                                    'search_combo'  '00poprockelectronic':4 '18':3C '2002':5,6 'electronic':7 'harbour':1A 'moby':2B
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'alternative', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636914211.7983303  (2021-11-14 19:23:31)
                             'size'  9362329