======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '259'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Before'
                                           'title'  'In the Night 1995'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '4'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '123'
                                             'key'  '5A'
                                        'acoustid'  '861103c3-4569-4849-8ec7-e546174869a3'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Before'
'TBPM' (BPM (beats per minute))                     '123'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-04-20'
'TIT2' (Title/songname/content description)         'In the Night 1995'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TPE2' (Band/orchestra/accompaniment)               'Pet Shop Boys'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/4'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TSRC' (ISRC (international standard recording code))  'GBCEW9600024'
'TXXX:Acoustid Id'                                  '861103c3-4569-4849-8ec7-e546174869a3'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         '9bfd324d-fd76-35f4-adaa-c62bde4ee065'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Release Group Id'                 '773a259a-8127-376a-a02f-2e6f3fcf97ce'
'TXXX:MusicBrainz Release Track Id'                 '407e3023-0c74-352a-a10e-07ee8dbeefdf'
'TXXX:Q-HAP'                                        '4'
'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', 'house']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.440643'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5954f58a-e3a4-4afe-8c3b-c83fc0d86504')

========================== row from database ==========================
                                              'id'  1417946
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Before/04 In the Night 1995.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  259
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  10374011
                                           'mtime'  1620609863
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 04 electronic we disco italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Before
                                       'tag_title'  In the Night 1995
                                             'bpm'  123.0
                                    'search_title'  '1995':4 'in':1 'night':3 'the':2
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'before':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'disco':3 'electronic':6 'italo':5 'waves':2 'we':7
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 '1995':4A 'before':8C 'boys':7B 'disco':11 'electronic':14 'in':1A 'italo':13 'night':3A 'pet':5B 'shop':6B 'the':2A 'waves':10 'we':15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'house']

============================== file details ==============================
                                           'mtime'  1620609863.0602918  (2021-05-10 03:24:23)
                             'size'  10374011