======================== unified (from filesystem) ========================
                                         'bitrate'  '231.677'
                                        'duration'  '162'
                                          'artist'  'Ik Gerard Kreuger & The Pleinboys'
                                     'text_people'  ''
                                         'release'  '50 jaar nederpop: Rare & Obscure'
                                           'title'  'Why Should I Sing?'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock', 'pop rock', 'pop', 'symphonic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '29'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '141.2'
                                             'key'  '6A'
                                        'acoustid'  '079ec8a3-4718-4454-8487-a7d2f3738c87'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::\x00\x00\x00'                                'High Quality, EAC secure, Lossless flac '
'TALB' (Album/Movie/Show title)                     '50 jaar nederpop: Rare & Obscure'
'TBPM' (BPM (beats per minute))                     '141.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Why Should I Sing?'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ik Gerard Kreuger & The Pleinboys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'Universal Music'
'TRCK' (Track number/Position in set)               '19/29'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Ik Gerard Kreuger & The Pleinboys'
'TXXX:ASIN'                                         'B001ERJS06'
'TXXX:Acoustid Id'                                  '079ec8a3-4718-4454-8487-a7d2f3738c87'
'TXXX:Artists'                                      'Ik Gerard Kreuger & The Pleinboys'
'TXXX:BARCODE'                                      '0602517851573'
'TXXX:CATALOGNUMBER'                                '178 515-7/178 515-8/178 515-9/178 516-0/178 516-1'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'b600b3aa-2811-4995-ada8-84616dc2501b'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'b68d9236-8df4-4970-8c48-ad8bead5b423'
'TXXX:MusicBrainz Release Group Id'                 '5b1ea5c1-2a34-3c23-a9cf-fb778fc22c67'
'TXXX:MusicBrainz Release Track Id'                 '7fa576d0-bfac-3bb3-bac9-a9f547e64142'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'pop', 'symphonic rock']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.422948'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'76f251e9-a225-4a14-8c23-a8da93e0b7f6')

========================== row from database ==========================
                                              'id'  1394931
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/The Ricochets feat. Ritchie Clark - Various - 50 Jaar Nederpop- Rare & Obscure/Various - 50 Jaar Nederpop  Rare & Obscure CD1/19 - Why Should I Sing .mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  162
                                           'genre'  loc-eur-netherlands
                                        'filesize'  4756391
                                           'mtime'  1621629545
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Ricochets feat. Ritchie Clark Various Jaar Nederpop Various Jaar Nederpop CD1 19 loc eur netherlands
                                      'tag_artist'  Ik Gerard Kreuger & The Pleinboys
                                     'tag_release'  50 jaar nederpop: Rare & Obscure
                                       'tag_title'  Why Should I Sing?
                                             'bpm'  141.2
                                    'search_title'  'i':3 'should':2 'sing':4 'why':1
                                   'search_artist'  'gerard':2 'ik':1 'kreuger':3 'pleinboys':5 'the':4
                                  'search_release'  '50':1 'jaar':2 'nederpop':3,4 'obscure':6 'rare':5
                                     'search_rest'  '00mid':1 '19':13 'cd1':12 'clark':8 'eur':15 'europe':3 'feat':5,6 'jaar':10 'loc':14 'nederpop':11 'netherlands':16 'north':2 'ricochets':4 'ritchie':7 'various':9
                                    'search_combo'  '00mid':16 '19':28 '50':10C 'cd1':27 'clark':23 'eur':30 'europe':18 'feat':20,21 'gerard':6B 'i':3A 'ik':5B 'jaar':11C,25 'kreuger':7B 'loc':29 'nederpop':12C,13C,26 'netherlands':31 'north':17 'obscure':15C 'pleinboys':9B 'rare':14C 'ricochets':19 'ritchie':22 'should':2A 'sing':4A 'the':8B 'various':24 'why':1A
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'pop rock', 'pop', 'symphonic rock']

============================== file details ==============================
                                           'mtime'  1621629544.8679698  (2021-05-21 22:39:04)
                             'size'  4756391