======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '224'
                                          'artist'  'Ra-X'
                                     'text_people'  ''
                                         'release'  'Powerslaves: An Elektro Tribute to Iron Maiden'
                                           'title'  'Wasted Years'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['nu electro', 'electro', 'electronic', 'e l e c t r o', 'techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '14'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '114.803'
                                             'key'  '9A'
                                        'acoustid'  'c695ccac-b0e6-4bf1-ad4c-0141dd53d567'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Powerslaves: An Elektro Tribute to Iron Maiden'
'TBPM' (BPM (beats per minute))                     '114.803'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Wasted Years'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ra-X'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Angelmaker Records'
'TRCK' (Track number/Position in set)               '7/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Ra-X'
'TXXX:Acoustid Id'                                  'c695ccac-b0e6-4bf1-ad4c-0141dd53d567'
'TXXX:CATALOGNUMBER'                                'AMR00:012'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '11e98598-84d4-47eb-be8b-df623ef3580d'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '534d62ea-0b61-457f-9d9f-0c506c9da881'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['nu electro', 'electro', 'electronic', 'e l e c t r o', 'techno']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.16 dB'
'TXXX:replaygain_track_peak'                        '0.533228'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'53ad2f44-a87b-46bb-a353-646d9ec88957')

========================== row from database ==========================
                                              'id'  1312822
                                            'path'  /data/Music/Bulk/00poprockelectronic/Luke Eargoggle - Powerslaves/07-ra-x-wasted years.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  224
                                           'genre'  electronic-th-techno
                                        'filesize'  7178708
                                           'mtime'  1620570714
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Luke Eargoggle 07 ra x wasted years electronic th techno
                                      'tag_artist'  Ra-X
                                     'tag_release'  Powerslaves: An Elektro Tribute to Iron Maiden
                                       'tag_title'  Wasted Years
                                             'bpm'  114.803
                                    'search_title'  'wasted':1 'years':2
                                   'search_artist'  'ra':1 'rax':3 'x':2
                                  'search_release'  'an':3 'elektro':4 'iron':7 'maiden':8 'powerslaves':1,2 'to':6 'tribute':5
                                     'search_rest'  '00poprockelectronic':1 'eargoggle':3 'electronic':8 'luke':2 'ra':4 'techno':10 'th':9 'wasted':6 'x':5 'years':7
                                    'search_combo'  '00poprockelectronic':14 'an':8C 'eargoggle':16 'electronic':21 'elektro':9C 'iron':12C 'luke':15 'maiden':13C 'powerslaves':6C,7C 'ra':3B,17 'rax':5B 'techno':23 'th':22 'to':11C 'tribute':10C 'wasted':1A,19 'x':4B,18 'years':2A,20
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['nu electro', 'electro', 'electronic', 'e l e c t r o', 'techno']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570714.1154692  (2021-05-09 16:31:54)
                             'size'  7178708