======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '419'
                                          'artist'  'Biosphere'
                                     'text_people'  'Arne Nordheim'
                                         'release'  'Nordheim Transformed'
                                           'title'  'Trasparenza'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'chillout', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '7'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '89.691'
                                             'key'  '6A'
                                        'acoustid'  'c884d9c9-c590-4c4a-b419-a9642872df88'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nordheim Transformed'
'TBPM' (BPM (beats per minute))                     '89.691'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Arne Nordheim'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-09-30'
'TIT2' (Title/songname/content description)         'Trasparenza'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Biosphere'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rune Grammofon'
'TRCK' (Track number/Position in set)               '1/7'
'TSO2'                                              'Biosphere / Deathprod'
'TSOP' (Performer sort order)                       'Biosphere'
'TXXX:ASIN'                                         'B00002581F'
'TXXX:Acoustid Id'                                  'c884d9c9-c590-4c4a-b419-a9642872df88'
'TXXX:BARCODE'                                      '7033662020058'
'TXXX:CATALOGNUMBER'                                'RCD 2005'
'TXXX:MusicBrainz Album Artist Id'                  'a5ee1ebe-a645-45d2-8319-d101fe62e581/84b8d693-3136-40d7-aa4b-540c9edb503e'
'TXXX:MusicBrainz Album Id'                         '95b6db4a-8ce8-43a6-918c-d3b540179c0f'
'TXXX:MusicBrainz Album Release Country'            'NO'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a5ee1ebe-a645-45d2-8319-d101fe62e581'
'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'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.40 dB'
'TXXX:replaygain_track_peak'                        '0.938684'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f750e678-8198-4f21-9daf-3fc8bc1bbb50')

========================== row from database ==========================
                                              'id'  153297
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Biosphere, Bleep/Biosphere/1998 - Deathprod - 128 kbps/biosphere.deathprod.01.trasparenza.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  419
                                           'genre'  electronic-ambient
                                        'filesize'  6725081
                                           'mtime'  1636909899
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Biosphere, Bleep 1998 Deathprod 128 kbps biosphere.deathprod.01.trasparenza electronic ambient
                                      'tag_artist'  Biosphere
                                     'tag_release'  Nordheim Transformed
                                       'tag_title'  Trasparenza
                                             'bpm'  89.691
                                    'search_title'  'trasparenza':1
                                   'search_artist'  'biosphere':1
                                  'search_release'  'nordheim':1 'transformed':2
                                     'search_rest'  '01':10 '128':6 '1998':4 'ambient':14 'biosphere':1,2,8 'biospheredeathprod01trasparenza':12 'bleep':3 'deathprod':5,9 'electronic':13 'kbps':7 'trasparenza':11
                                    'search_combo'  '01':14 '128':10 '1998':8 'ambient':18 'biosphere':2B,5,6,12 'biospheredeathprod01trasparenza':16 'bleep':7 'deathprod':9,13 'electronic':17 'kbps':11 'nordheim':3C 'transformed':4C 'trasparenza':1A,15
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636909898.9454424  (2021-11-14 18:11:38)
                             'size'  6725081