======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '167'
                                          'artist'  'Frank Murder'
                                     'text_people'  'Thorgeir Frímann Óðinsson'
                                         'release'  'Stöðin'
                                           'title'  'Straumsvík'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['icelandic', 'idm', 'electronic', '77davez artists', 'experimental']"
                                     'discogstags'  "['idm', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '130.3'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.MEDIA (Media (e.g. lable side of CD)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Stöðin'
'TBPM' (BPM (beats per minute))                     '130.3'
'TCOM' (Composer)                                   'Thorgeir Frímann Óðinsson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-11-22'
'TIT2' (Title/songname/content description)         'Straumsvík'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Murder'
'TPE2' (Band/orchestra/accompaniment)               'Frank Murder'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cactus Island Recordings'
'TRCK' (Track number/Position in set)               '2/6'
'TSO2'                                              'Murder, Frank'
'TSOP' (Performer sort order)                       'Murder, Frank'
'TXXX:CATALOGNUMBER'                                'CACT 006'
'TXXX:Country'                                      'UK'
'TXXX:MusicBrainz Album Artist Id'                  '1a7ffbba-fdb7-4986-a394-97be4ede0c51'
'TXXX:MusicBrainz Album Id'                         '5ae48e78-7953-4c8a-93c4-58e91bd84e3a'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '1a7ffbba-fdb7-4986-a394-97be4ede0c51'
'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:Website'                                      'http://www.cactusisland.net/'
'TXXX:discogstags'                                  ['idm', 'electronic']
'TXXX:lastfmtags'                                   ['icelandic', 'idm', 'electronic', '77davez artists', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.388473'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b7801aa9-dda9-4ea9-8eed-f922e5223bf0')

========================== row from database ==========================
                                              'id'  1527379
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/CACT006 - Frank Murder __Stöðin__/Frank Murder (Stöðin)-[CACT006]-2004.11.22-[02]-Straumsvík.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  167
                                           'genre'  electronic-ambient
                                        'filesize'  6842299
                                           'mtime'  1636910568
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient CACT006 __Stöðin__ (Stöðin) [CACT006] 2004.11.22 [02] electronic ambient
                                      'tag_artist'  Frank Murder
                                     'tag_release'  Stöðin
                                       'tag_title'  Straumsvík
                                             'bpm'  130.3
                                    'search_title'  'straumsvik':1,2
                                   'search_artist'  'frank':1 'murder':2
                                  'search_release'  'stodin':2 'stoðin':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '02':15,16 '11':12 '2004':11 '20041122':14 '22':13 'ambient':18 'cact006':3,10 'electronic':17 'stodin':5,8,9 'stoðin':4,6,7
                                    'search_combo'  '00ambient':8 '00poprockelectronic':7 '02':21,22 '11':18 '2004':17 '20041122':20 '22':19 'ambient':24 'cact006':9,16 'electronic':23 'frank':3B 'murder':4B 'stodin':6C,11,14,15 'stoðin':5C,10,12,13 'straumsvik':1A,2A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12A
                                           '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-2', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['icelandic', 'idm', 'electronic', '77davez artists', 'experimental']
                                        'tag_date'  2004
                                     'discogstags'  ['idm', 'electronic']

============================== file details ==============================
                                           'mtime'  1636910568.3238654  (2021-11-14 18:22:48)
                             'size'  6842299