======================== unified (from filesystem) ========================
                                         'bitrate'  '320.007'
                                        'duration'  '529'
                                          'artist'  'Blue Foundation'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Sweep (Jim Rivers Dub)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-GRIT-3', 'q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['trip-hop', 'electronic', 'chillout', 'ambient', 'danish']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '125.00'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:eng'                            'Tech House -'
'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '125.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Sweep (Jim Rivers Dub)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blue Foundation'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Beatport Promotion'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame V3.97'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:TraktorRemixer'                               'Jim Rivers'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trip-hop', 'electronic', 'chillout', 'ambient', 'danish']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.479752'

========================== row from database ==========================
                                              'id'  1484606
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/blue foundation - sweep (jim rivers dub).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  529
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  21224643
                                           'mtime'  1620573744
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ blue foundation sweep (jim rivers dub) electronic th techno
                                      'tag_artist'  Blue Foundation
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Sweep (Jim Rivers Dub)
                                             'bpm'  125.0
                                    'search_title'  'dub':5,6 'jim':2,3 'rivers':4 'sweep':1
                                   'search_artist'  'blue':1 'foundation':2
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'blue':3 'dub':9,10 'electronic':11 'foundation':4 'jim':6,7 'maleta':2 'rivers':8 'sweep':5 'techno':13 'th':12
                                    'search_combo'  '00poprockelectronic':12 'acid':10C 'blue':7B,14 'dub':5A,6A,20,21 'electronic':22 'foundation':8B,15 'jim':2A,3A,17,18 'maleta':9C,13 'rave':11C 'rivers':4A,19 'sweep':1A,16 'techno':24 'th':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-4', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['trip-hop', 'electronic', 'chillout', 'ambient', 'danish']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573743.8313918  (2021-05-09 17:22:23)
                             'size'  21224643