======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '440'
                                          'artist'  'Propellerheads'
                                     'text_people'  ''
                                         'release'  'Decksandrumsandrockandroll'
                                           'title'  'Take California'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'dance', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '120'
                                             'key'  '3A'
                                        'acoustid'  'ad68bd78-9df0-431a-9c30-0b8ea6b13b56'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Decksandrumsandrockandroll'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Take California'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Propellerheads'
'TPE2' (Band/orchestra/accompaniment)               'Propellerheads'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Wall of Sound'
'TRCK' (Track number/Position in set)               '1/13'
'TSO2'                                              'Propellerheads'
'TSOP' (Performer sort order)                       'Propellerheads'
'TSRC' (ISRC (international standard recording code))  'USDW19703101'
'TXXX:Acoustid Id'                                  'ad68bd78-9df0-431a-9c30-0b8ea6b13b56'
'TXXX:Artists'                                      'Propellerheads'
'TXXX:BARCODE'                                      '724384561420'
'TXXX:CATALOGNUMBER'                                'WALL CD015'
'TXXX:MusicBrainz Album Artist Id'                  'cbaafb20-eb74-421a-85f1-2bb6341aad23'
'TXXX:MusicBrainz Album Id'                         '1b655d3c-1616-473c-a606-df430cc2b888'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cbaafb20-eb74-421a-85f1-2bb6341aad23'
'TXXX:MusicBrainz Release Group Id'                 'b4f2008c-c633-3129-ab44-0bb00fcb7c79'
'TXXX:MusicBrainz Release Track Id'                 'f535cafe-2ace-3512-a5df-39a91693ffa3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'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', 'trip hop', 'dance', 'electronic', 'big beat']
'TXXX:mood'                                         'Party/Relaxed/Not acoustic/Not sad/Not aggressive/Electronic/Not happy'
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.534437'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'50c34d28-09f5-4c76-bf42-e31efee392fa')

========================== row from database ==========================
                                              'id'  1405768
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/PropellerHeads - Propellorheads/Decksandrumandrockandroll/Propellerheads - Take California - 01.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  440
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  7123742
                                           'mtime'  1621695874
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat PropellerHeads Propellorheads Decksandrumandrockandroll 01 electronic generic radio bigbeat
                                      'tag_artist'  Propellerheads
                                     'tag_release'  Decksandrumsandrockandroll
                                       'tag_title'  Take California
                                             'bpm'  120.0
                                    'search_title'  'california':2 'take':1
                                   'search_artist'  'propellerheads':1
                                  'search_release'  'decksandrumsandrockandroll':1
                                     'search_rest'  '00poprockelectronic':1 'bigbeat':10 'dance':3 'decksandrumandrockandroll':7 'electronic':8 'generic':2 'heads':12 'propeller':11 'propellerheads':5 'propellorheads':6 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':5 'bigbeat':14 'california':2A 'dance':7 'decksandrumandrockandroll':11 'decksandrumsandrockandroll':4C 'electronic':12 'generic':6 'heads':16 'propeller':15 'propellerheads':3B,9 'propellorheads':10 'radio':13 'take':1A 'trapbeat':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'dance', 'electronic', 'big beat']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695874.030666  (2021-05-22 17:04:34)
                             'size'  7123742